Finding the Third Proportional to 333,535 and 499,390.50

Step by Step Solution

1. Step 1: Write the proportion equation
   333,535 : 499,390.50 = 499,390.50 : x
2. Step 2: Convert to fraction form
   333,535/499,390.50 = 499,390.50/x
3. Step 3: Cross multiply
   333,535x = 499,390.50 × 499,390.50
4. Step 4: Simplify right side
   333,535x = 249,390,871,490.25
5. Step 5: Solve for x
   x = 249,390,871,490.25/333,535
6. Step 6: Final answer
   x = 747,720.24