Finding the Third Proportional to 9,340.31 and 19,465.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,340.31 : 19,465.31 = 19,465.31 : x
2. Step 2: Convert to fraction form
   9,340.31/19,465.31 = 19,465.31/x
3. Step 3: Cross multiply
   9,340.31x = 19,465.31 × 19,465.31
4. Step 4: Simplify right side
   9,340.31x = 378,898,390.72
5. Step 5: Solve for x
   x = 378,898,390.72/9,340.31
6. Step 6: Final answer
   x = 40,565.92