Finding the Third Proportional to 981,490.50 and 2,117,650.50

Step by Step Solution

1. Step 1: Write the proportion equation
   981,490.50 : 2,117,650.50 = 2,117,650.50 : x
2. Step 2: Convert to fraction form
   981,490.50/2,117,650.50 = 2,117,650.50/x
3. Step 3: Cross multiply
   981,490.50x = 2,117,650.50 × 2,117,650.50
4. Step 4: Simplify right side
   981,490.50x = 4,484,443,640,150.25
5. Step 5: Solve for x
   x = 4,484,443,640,150.25/981,490.50
6. Step 6: Final answer
   x = 4,569,013.80