Finding the Third Proportional to 981,142.88 and 1,439,410.50

Step by Step Solution

1. Step 1: Write the proportion equation
   981,142.88 : 1,439,410.50 = 1,439,410.50 : x
2. Step 2: Convert to fraction form
   981,142.88/1,439,410.50 = 1,439,410.50/x
3. Step 3: Cross multiply
   981,142.88x = 1,439,410.50 × 1,439,410.50
4. Step 4: Simplify right side
   981,142.88x = 2,071,902,587,510.25
5. Step 5: Solve for x
   x = 2,071,902,587,510.25/981,142.88
6. Step 6: Final answer
   x = 2,111,723.62