Finding the Third Proportional to 654,918 and 978,332

Step by Step Solution

1. Step 1: Write the proportion equation
   654,918 : 978,332 = 978,332 : x
2. Step 2: Convert to fraction form
   654,918/978,332 = 978,332/x
3. Step 3: Cross multiply
   654,918x = 978,332 × 978,332
4. Step 4: Simplify right side
   654,918x = 957,133,502,224
5. Step 5: Solve for x
   x = 957,133,502,224/654,918
6. Step 6: Final answer
   x = 1,461,455.48