Finding the Third Proportional to 915,682.50 and 1,400,737.50

Step by Step Solution

1. Step 1: Write the proportion equation
   915,682.50 : 1,400,737.50 = 1,400,737.50 : x
2. Step 2: Convert to fraction form
   915,682.50/1,400,737.50 = 1,400,737.50/x
3. Step 3: Cross multiply
   915,682.50x = 1,400,737.50 × 1,400,737.50
4. Step 4: Simplify right side
   915,682.50x = 1,962,065,543,906.25
5. Step 5: Solve for x
   x = 1,962,065,543,906.25/915,682.50
6. Step 6: Final answer
   x = 2,142,735.66