Finding the Third Proportional to 783,656.50 and 1,600,520.50

Step by Step Solution

1. Step 1: Write the proportion equation
   783,656.50 : 1,600,520.50 = 1,600,520.50 : x
2. Step 2: Convert to fraction form
   783,656.50/1,600,520.50 = 1,600,520.50/x
3. Step 3: Cross multiply
   783,656.50x = 1,600,520.50 × 1,600,520.50
4. Step 4: Simplify right side
   783,656.50x = 2,561,665,870,920.25
5. Step 5: Solve for x
   x = 2,561,665,870,920.25/783,656.50
6. Step 6: Final answer
   x = 3,268,863.17