Finding the Third Proportional to 492,534 and 748,732.50

Step by Step Solution

1. Step 1: Write the proportion equation
   492,534 : 748,732.50 = 748,732.50 : x
2. Step 2: Convert to fraction form
   492,534/748,732.50 = 748,732.50/x
3. Step 3: Cross multiply
   492,534x = 748,732.50 × 748,732.50
4. Step 4: Simplify right side
   492,534x = 560,600,356,556.25
5. Step 5: Solve for x
   x = 560,600,356,556.25/492,534
6. Step 6: Final answer
   x = 1,138,196.26