Finding the Third Proportional to 649,786.50 and 1,425,118.50

Step by Step Solution

1. Step 1: Write the proportion equation
   649,786.50 : 1,425,118.50 = 1,425,118.50 : x
2. Step 2: Convert to fraction form
   649,786.50/1,425,118.50 = 1,425,118.50/x
3. Step 3: Cross multiply
   649,786.50x = 1,425,118.50 × 1,425,118.50
4. Step 4: Simplify right side
   649,786.50x = 2,030,962,739,042.25
5. Step 5: Solve for x
   x = 2,030,962,739,042.25/649,786.50
6. Step 6: Final answer
   x = 3,125,584.69