Finding the Third Proportional to 40,288.64 and 60,586.73

Step by Step Solution

1. Step 1: Write the proportion equation
   40,288.64 : 60,586.73 = 60,586.73 : x
2. Step 2: Convert to fraction form
   40,288.64/60,586.73 = 60,586.73/x
3. Step 3: Cross multiply
   40,288.64x = 60,586.73 × 60,586.73
4. Step 4: Simplify right side
   40,288.64x = 3,670,752,382.23
5. Step 5: Solve for x
   x = 3,670,752,382.23/40,288.64
6. Step 6: Final answer
   x = 91,111.35