Finding the Third Proportional to 711,103.50 and 1,505,839.50

Step by Step Solution

1. Step 1: Write the proportion equation
   711,103.50 : 1,505,839.50 = 1,505,839.50 : x
2. Step 2: Convert to fraction form
   711,103.50/1,505,839.50 = 1,505,839.50/x
3. Step 3: Cross multiply
   711,103.50x = 1,505,839.50 × 1,505,839.50
4. Step 4: Simplify right side
   711,103.50x = 2,267,552,599,760.25
5. Step 5: Solve for x
   x = 2,267,552,599,760.25/711,103.50
6. Step 6: Final answer
   x = 3,188,779.97