Finding the Third Proportional to 38,878.88 and 58,305.38

Step by Step Solution

1. Step 1: Write the proportion equation
   38,878.88 : 58,305.38 = 58,305.38 : x
2. Step 2: Convert to fraction form
   38,878.88/58,305.38 = 58,305.38/x
3. Step 3: Cross multiply
   38,878.88x = 58,305.38 × 58,305.38
4. Step 4: Simplify right side
   38,878.88x = 3,399,516,753.89
5. Step 5: Solve for x
   x = 3,399,516,753.89/38,878.88
6. Step 6: Final answer
   x = 87,438.66