Finding the Third Proportional to 21,171.38 and 29,068.88

Step by Step Solution

1. Step 1: Write the proportion equation
   21,171.38 : 29,068.88 = 29,068.88 : x
2. Step 2: Convert to fraction form
   21,171.38/29,068.88 = 29,068.88/x
3. Step 3: Cross multiply
   21,171.38x = 29,068.88 × 29,068.88
4. Step 4: Simplify right side
   21,171.38x = 844,999,493.77
5. Step 5: Solve for x
   x = 844,999,493.77/21,171.38
6. Step 6: Final answer
   x = 39,912.36