Finding the Third Proportional to 59,431.50 and 89,154

Step by Step Solution

1. Step 1: Write the proportion equation
   59,431.50 : 89,154 = 89,154 : x
2. Step 2: Convert to fraction form
   59,431.50/89,154 = 89,154/x
3. Step 3: Cross multiply
   59,431.50x = 89,154 × 89,154
4. Step 4: Simplify right side
   59,431.50x = 7,948,435,716
5. Step 5: Solve for x
   x = 7,948,435,716/59,431.50
6. Step 6: Final answer
   x = 133,741.13