Finding the Third Proportional to 3,572.86 and 7,916.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,572.86 : 7,916.48 = 7,916.48 : x
2. Step 2: Convert to fraction form
   3,572.86/7,916.48 = 7,916.48/x
3. Step 3: Cross multiply
   3,572.86x = 7,916.48 × 7,916.48
4. Step 4: Simplify right side
   3,572.86x = 62,670,724.86
5. Step 5: Solve for x
   x = 62,670,724.86/3,572.86
6. Step 6: Final answer
   x = 17,540.78