Finding the Third Proportional to 642,049.31 and 995,535

Step by Step Solution

1. Step 1: Write the proportion equation
   642,049.31 : 995,535 = 995,535 : x
2. Step 2: Convert to fraction form
   642,049.31/995,535 = 995,535/x
3. Step 3: Cross multiply
   642,049.31x = 995,535 × 995,535
4. Step 4: Simplify right side
   642,049.31x = 991,089,936,225
5. Step 5: Solve for x
   x = 991,089,936,225/642,049.31
6. Step 6: Final answer
   x = 1,543,635.23