Finding the Third Proportional to 648,160.50 and 981,196.50

Step by Step Solution

1. Step 1: Write the proportion equation
   648,160.50 : 981,196.50 = 981,196.50 : x
2. Step 2: Convert to fraction form
   648,160.50/981,196.50 = 981,196.50/x
3. Step 3: Cross multiply
   648,160.50x = 981,196.50 × 981,196.50
4. Step 4: Simplify right side
   648,160.50x = 962,746,571,612.25
5. Step 5: Solve for x
   x = 962,746,571,612.25/648,160.50
6. Step 6: Final answer
   x = 1,485,352.12