Finding the Third Proportional to 58,515 and 89,883

Step by Step Solution

1. Step 1: Write the proportion equation
   58,515 : 89,883 = 89,883 : x
2. Step 2: Convert to fraction form
   58,515/89,883 = 89,883/x
3. Step 3: Cross multiply
   58,515x = 89,883 × 89,883
4. Step 4: Simplify right side
   58,515x = 8,078,953,689
5. Step 5: Solve for x
   x = 8,078,953,689/58,515
6. Step 6: Final answer
   x = 138,066.37