Finding the Third Proportional to 978,715 and 1,497,320

Step by Step Solution

1. Step 1: Write the proportion equation
   978,715 : 1,497,320 = 1,497,320 : x
2. Step 2: Convert to fraction form
   978,715/1,497,320 = 1,497,320/x
3. Step 3: Cross multiply
   978,715x = 1,497,320 × 1,497,320
4. Step 4: Simplify right side
   978,715x = 2,241,967,182,400
5. Step 5: Solve for x
   x = 2,241,967,182,400/978,715
6. Step 6: Final answer
   x = 2,290,725.27