Finding the Third Proportional to 3,924 and 5,672.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,924 : 5,672.50 = 5,672.50 : x
2. Step 2: Convert to fraction form
   3,924/5,672.50 = 5,672.50/x
3. Step 3: Cross multiply
   3,924x = 5,672.50 × 5,672.50
4. Step 4: Simplify right side
   3,924x = 32,177,256.25
5. Step 5: Solve for x
   x = 32,177,256.25/3,924
6. Step 6: Final answer
   x = 8,200.12