Finding the Third Proportional to 3,921 and 5,737.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,921 : 5,737.50 = 5,737.50 : x
2. Step 2: Convert to fraction form
   3,921/5,737.50 = 5,737.50/x
3. Step 3: Cross multiply
   3,921x = 5,737.50 × 5,737.50
4. Step 4: Simplify right side
   3,921x = 32,918,906.25
5. Step 5: Solve for x
   x = 32,918,906.25/3,921
6. Step 6: Final answer
   x = 8,395.54