Finding the Third Proportional to 57,991.50 and 89,793

Step by Step Solution

1. Step 1: Write the proportion equation
   57,991.50 : 89,793 = 89,793 : x
2. Step 2: Convert to fraction form
   57,991.50/89,793 = 89,793/x
3. Step 3: Cross multiply
   57,991.50x = 89,793 × 89,793
4. Step 4: Simplify right side
   57,991.50x = 8,062,782,849
5. Step 5: Solve for x
   x = 8,062,782,849/57,991.50
6. Step 6: Final answer
   x = 139,033.87