Finding the Third Proportional to 649,789.50 and 1,425,124.50

Step by Step Solution

1. Step 1: Write the proportion equation
   649,789.50 : 1,425,124.50 = 1,425,124.50 : x
2. Step 2: Convert to fraction form
   649,789.50/1,425,124.50 = 1,425,124.50/x
3. Step 3: Cross multiply
   649,789.50x = 1,425,124.50 × 1,425,124.50
4. Step 4: Simplify right side
   649,789.50x = 2,030,979,840,500.25
5. Step 5: Solve for x
   x = 2,030,979,840,500.25/649,789.50
6. Step 6: Final answer
   x = 3,125,596.58