Finding the Third Proportional to 449,582.50 and 981,543.50

Step by Step Solution

1. Step 1: Write the proportion equation
   449,582.50 : 981,543.50 = 981,543.50 : x
2. Step 2: Convert to fraction form
   449,582.50/981,543.50 = 981,543.50/x
3. Step 3: Cross multiply
   449,582.50x = 981,543.50 × 981,543.50
4. Step 4: Simplify right side
   449,582.50x = 963,427,642,392.25
5. Step 5: Solve for x
   x = 963,427,642,392.25/449,582.50
6. Step 6: Final answer
   x = 2,142,938.49