Finding the Third Proportional to 658,120 and 995,280.50

Step by Step Solution

1. Step 1: Write the proportion equation
   658,120 : 995,280.50 = 995,280.50 : x
2. Step 2: Convert to fraction form
   658,120/995,280.50 = 995,280.50/x
3. Step 3: Cross multiply
   658,120x = 995,280.50 × 995,280.50
4. Step 4: Simplify right side
   658,120x = 990,583,273,680.25
5. Step 5: Solve for x
   x = 990,583,273,680.25/658,120
6. Step 6: Final answer
   x = 1,505,171.21