Finding the Third Proportional to 8,658,702 and 18,824,499

Step by Step Solution

1. Step 1: Write the proportion equation
   8,658,702 : 18,824,499 = 18,824,499 : x
2. Step 2: Convert to fraction form
   8,658,702/18,824,499 = 18,824,499/x
3. Step 3: Cross multiply
   8,658,702x = 18,824,499 × 18,824,499
4. Step 4: Simplify right side
   8,658,702x = 354,361,762,601,001
5. Step 5: Solve for x
   x = 354,361,762,601,001/8,658,702
6. Step 6: Final answer
   x = 40,925,506.22