Finding the Third Proportional to 485,527.50 and 735,039

Step by Step Solution

1. Step 1: Write the proportion equation
   485,527.50 : 735,039 = 735,039 : x
2. Step 2: Convert to fraction form
   485,527.50/735,039 = 735,039/x
3. Step 3: Cross multiply
   485,527.50x = 735,039 × 735,039
4. Step 4: Simplify right side
   485,527.50x = 540,282,331,521
5. Step 5: Solve for x
   x = 540,282,331,521/485,527.50
6. Step 6: Final answer
   x = 1,112,773.90