Finding the Third Proportional to 38,988 and 58,870

Step by Step Solution

1. Step 1: Write the proportion equation
   38,988 : 58,870 = 58,870 : x
2. Step 2: Convert to fraction form
   38,988/58,870 = 58,870/x
3. Step 3: Cross multiply
   38,988x = 58,870 × 58,870
4. Step 4: Simplify right side
   38,988x = 3,465,676,900
5. Step 5: Solve for x
   x = 3,465,676,900/38,988
6. Step 6: Final answer
   x = 88,890.86