Finding the Third Proportional to 59,116 and 88,689

Step by Step Solution

1. Step 1: Write the proportion equation
   59,116 : 88,689 = 88,689 : x
2. Step 2: Convert to fraction form
   59,116/88,689 = 88,689/x
3. Step 3: Cross multiply
   59,116x = 88,689 × 88,689
4. Step 4: Simplify right side
   59,116x = 7,865,738,721
5. Step 5: Solve for x
   x = 7,865,738,721/59,116
6. Step 6: Final answer
   x = 133,056.00