Finding the Third Proportional to 642,050.50 and 995,536.50

Step by Step Solution

1. Step 1: Write the proportion equation
   642,050.50 : 995,536.50 = 995,536.50 : x
2. Step 2: Convert to fraction form
   642,050.50/995,536.50 = 995,536.50/x
3. Step 3: Cross multiply
   642,050.50x = 995,536.50 × 995,536.50
4. Step 4: Simplify right side
   642,050.50x = 991,092,922,832.25
5. Step 5: Solve for x
   x = 991,092,922,832.25/642,050.50
6. Step 6: Final answer
   x = 1,543,637.02