Finding the Third Proportional to 567,455 and 843,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   567,455 : 843,142.50 = 843,142.50 : x
2. Step 2: Convert to fraction form
   567,455/843,142.50 = 843,142.50/x
3. Step 3: Cross multiply
   567,455x = 843,142.50 × 843,142.50
4. Step 4: Simplify right side
   567,455x = 710,889,275,306.25
5. Step 5: Solve for x
   x = 710,889,275,306.25/567,455
6. Step 6: Final answer
   x = 1,252,767.66