Finding the Third Proportional to 8,431,398 and 18,141,573.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,431,398 : 18,141,573.38 = 18,141,573.38 : x
2. Step 2: Convert to fraction form
   8,431,398/18,141,573.38 = 18,141,573.38/x
3. Step 3: Cross multiply
   8,431,398x = 18,141,573.38 × 18,141,573.38
4. Step 4: Simplify right side
   8,431,398x = 329,116,684,520,508.88
5. Step 5: Solve for x
   x = 329,116,684,520,508.88/8,431,398
6. Step 6: Final answer
   x = 39,034,651.73