Finding the Third Proportional to 728,992.50 and 981,369

Step by Step Solution

1. Step 1: Write the proportion equation
   728,992.50 : 981,369 = 981,369 : x
2. Step 2: Convert to fraction form
   728,992.50/981,369 = 981,369/x
3. Step 3: Cross multiply
   728,992.50x = 981,369 × 981,369
4. Step 4: Simplify right side
   728,992.50x = 963,085,114,161
5. Step 5: Solve for x
   x = 963,085,114,161/728,992.50
6. Step 6: Final answer
   x = 1,321,118.00