Finding the Third Proportional to 658,081 and 995,221.50

Step by Step Solution

1. Step 1: Write the proportion equation
   658,081 : 995,221.50 = 995,221.50 : x
2. Step 2: Convert to fraction form
   658,081/995,221.50 = 995,221.50/x
3. Step 3: Cross multiply
   658,081x = 995,221.50 × 995,221.50
4. Step 4: Simplify right side
   658,081x = 990,465,834,062.25
5. Step 5: Solve for x
   x = 990,465,834,062.25/658,081
6. Step 6: Final answer
   x = 1,505,081.95