Finding the Third Proportional to 59,858.75 and 89,269

Step by Step Solution

1. Step 1: Write the proportion equation
   59,858.75 : 89,269 = 89,269 : x
2. Step 2: Convert to fraction form
   59,858.75/89,269 = 89,269/x
3. Step 3: Cross multiply
   59,858.75x = 89,269 × 89,269
4. Step 4: Simplify right side
   59,858.75x = 7,968,954,361
5. Step 5: Solve for x
   x = 7,968,954,361/59,858.75
6. Step 6: Final answer
   x = 133,129.31