Finding the Third Proportional to 2,387.76 and 3,472.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387.76 : 3,472.72 = 3,472.72 : x
2. Step 2: Convert to fraction form
   2,387.76/3,472.72 = 3,472.72/x
3. Step 3: Cross multiply
   2,387.76x = 3,472.72 × 3,472.72
4. Step 4: Simplify right side
   2,387.76x = 12,059,761.95
5. Step 5: Solve for x
   x = 12,059,761.95/2,387.76
6. Step 6: Final answer
   x = 5,050.66