Finding the Third Proportional to 59,109 and 89,755.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,109 : 89,755.50 = 89,755.50 : x
2. Step 2: Convert to fraction form
   59,109/89,755.50 = 89,755.50/x
3. Step 3: Cross multiply
   59,109x = 89,755.50 × 89,755.50
4. Step 4: Simplify right side
   59,109x = 8,056,049,780.25
5. Step 5: Solve for x
   x = 8,056,049,780.25/59,109
6. Step 6: Final answer
   x = 136,291.42