Finding the Third Proportional to 8,517,150 and 18,471,766.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,517,150 : 18,471,766.50 = 18,471,766.50 : x
2. Step 2: Convert to fraction form
   8,517,150/18,471,766.50 = 18,471,766.50/x
3. Step 3: Cross multiply
   8,517,150x = 18,471,766.50 × 18,471,766.50
4. Step 4: Simplify right side
   8,517,150x = 341,206,157,630,522.25
5. Step 5: Solve for x
   x = 341,206,157,630,522.25/8,517,150
6. Step 6: Final answer
   x = 40,061,071.79