Finding the Third Proportional to 59,974.50 and 89,631.75

Step by Step Solution

1. Step 1: Write the proportion equation
   59,974.50 : 89,631.75 = 89,631.75 : x
2. Step 2: Convert to fraction form
   59,974.50/89,631.75 = 89,631.75/x
3. Step 3: Cross multiply
   59,974.50x = 89,631.75 × 89,631.75
4. Step 4: Simplify right side
   59,974.50x = 8,033,850,608.06
5. Step 5: Solve for x
   x = 8,033,850,608.06/59,974.50
6. Step 6: Final answer
   x = 133,954.44