Finding the Third Proportional to 349,327.13 and 711,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   349,327.13 : 711,499.50 = 711,499.50 : x
2. Step 2: Convert to fraction form
   349,327.13/711,499.50 = 711,499.50/x
3. Step 3: Cross multiply
   349,327.13x = 711,499.50 × 711,499.50
4. Step 4: Simplify right side
   349,327.13x = 506,231,538,500.25
5. Step 5: Solve for x
   x = 506,231,538,500.25/349,327.13
6. Step 6: Final answer
   x = 1,449,161.84