Finding the Third Proportional to 696,877.50 and 981,389.25

Step by Step Solution

1. Step 1: Write the proportion equation
   696,877.50 : 981,389.25 = 981,389.25 : x
2. Step 2: Convert to fraction form
   696,877.50/981,389.25 = 981,389.25/x
3. Step 3: Cross multiply
   696,877.50x = 981,389.25 × 981,389.25
4. Step 4: Simplify right side
   696,877.50x = 963,124,860,015.56
5. Step 5: Solve for x
   x = 963,124,860,015.56/696,877.50
6. Step 6: Final answer
   x = 1,382,057.62