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Finding the Third Proportional to 646,673.63 and 978,955.88

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Solution

The third proportional to 646,673.63 and 978,955.88 is: 1,481,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,673.63 : 978,955.88 = 978,955.88 : x
  2. Step 2: Convert to fraction form
    646,673.63/978,955.88 = 978,955.88/x
  3. Step 3: Cross multiply
    646,673.63x = 978,955.88 × 978,955.88
  4. Step 4: Simplify right side
    646,673.63x = 958,354,605,197.02
  5. Step 5: Solve for x
    x = 958,354,605,197.02/646,673.63
  6. Step 6: Final answer
    x = 1,481,975.71

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