Finding the Third Proportional to 8,609,892 and 18,899,144

Step by Step Solution

1. Step 1: Write the proportion equation
   8,609,892 : 18,899,144 = 18,899,144 : x
2. Step 2: Convert to fraction form
   8,609,892/18,899,144 = 18,899,144/x
3. Step 3: Cross multiply
   8,609,892x = 18,899,144 × 18,899,144
4. Step 4: Simplify right side
   8,609,892x = 357,177,643,932,736
5. Step 5: Solve for x
   x = 357,177,643,932,736/8,609,892
6. Step 6: Final answer
   x = 41,484,567.28