Finding the Third Proportional to 8,198,980.31 and 17,942,468.63

Step by Step Solution

1. Step 1: Write the proportion equation
   8,198,980.31 : 17,942,468.63 = 17,942,468.63 : x
2. Step 2: Convert to fraction form
   8,198,980.31/17,942,468.63 = 17,942,468.63/x
3. Step 3: Cross multiply
   8,198,980.31x = 17,942,468.63 × 17,942,468.63
4. Step 4: Simplify right side
   8,198,980.31x = 321,932,180,359,109.38
5. Step 5: Solve for x
   x = 321,932,180,359,109.38/8,198,980.31
6. Step 6: Final answer
   x = 39,264,904.67