Finding the Third Proportional to 3,551.50 and 5,376.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,551.50 : 5,376.50 = 5,376.50 : x
2. Step 2: Convert to fraction form
   3,551.50/5,376.50 = 5,376.50/x
3. Step 3: Cross multiply
   3,551.50x = 5,376.50 × 5,376.50
4. Step 4: Simplify right side
   3,551.50x = 28,906,752.25
5. Step 5: Solve for x
   x = 28,906,752.25/3,551.50
6. Step 6: Final answer
   x = 8,139.31