Finding the Third Proportional to 535,839 and 738,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   535,839 : 738,142.50 = 738,142.50 : x
2. Step 2: Convert to fraction form
   535,839/738,142.50 = 738,142.50/x
3. Step 3: Cross multiply
   535,839x = 738,142.50 × 738,142.50
4. Step 4: Simplify right side
   535,839x = 544,854,350,306.25
5. Step 5: Solve for x
   x = 544,854,350,306.25/535,839
6. Step 6: Final answer
   x = 1,016,824.74