Finding the Third Proportional to 499,734 and 730,939.50

Step by Step Solution

1. Step 1: Write the proportion equation
   499,734 : 730,939.50 = 730,939.50 : x
2. Step 2: Convert to fraction form
   499,734/730,939.50 = 730,939.50/x
3. Step 3: Cross multiply
   499,734x = 730,939.50 × 730,939.50
4. Step 4: Simplify right side
   499,734x = 534,272,552,660.25
5. Step 5: Solve for x
   x = 534,272,552,660.25/499,734
6. Step 6: Final answer
   x = 1,069,113.87