Finding the Third Proportional to 527,430 and 787,666.50

Step by Step Solution

1. Step 1: Write the proportion equation
   527,430 : 787,666.50 = 787,666.50 : x
2. Step 2: Convert to fraction form
   527,430/787,666.50 = 787,666.50/x
3. Step 3: Cross multiply
   527,430x = 787,666.50 × 787,666.50
4. Step 4: Simplify right side
   527,430x = 620,418,515,222.25
5. Step 5: Solve for x
   x = 620,418,515,222.25/527,430
6. Step 6: Final answer
   x = 1,176,304.94