Finding the Third Proportional to 58,839 and 89,798

Step by Step Solution

1. Step 1: Write the proportion equation
   58,839 : 89,798 = 89,798 : x
2. Step 2: Convert to fraction form
   58,839/89,798 = 89,798/x
3. Step 3: Cross multiply
   58,839x = 89,798 × 89,798
4. Step 4: Simplify right side
   58,839x = 8,063,680,804
5. Step 5: Solve for x
   x = 8,063,680,804/58,839
6. Step 6: Final answer
   x = 137,046.53