Finding the Third Proportional to 20,761.31 and 29,919.38

Step by Step Solution

1. Step 1: Write the proportion equation
   20,761.31 : 29,919.38 = 29,919.38 : x
2. Step 2: Convert to fraction form
   20,761.31/29,919.38 = 29,919.38/x
3. Step 3: Cross multiply
   20,761.31x = 29,919.38 × 29,919.38
4. Step 4: Simplify right side
   20,761.31x = 895,169,000.39
5. Step 5: Solve for x
   x = 895,169,000.39/20,761.31
6. Step 6: Final answer
   x = 43,117.17