Finding the Third Proportional to 3,901.50 and 8,525.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,901.50 : 8,525.25 = 8,525.25 : x
2. Step 2: Convert to fraction form
   3,901.50/8,525.25 = 8,525.25/x
3. Step 3: Cross multiply
   3,901.50x = 8,525.25 × 8,525.25
4. Step 4: Simplify right side
   3,901.50x = 72,679,887.56
5. Step 5: Solve for x
   x = 72,679,887.56/3,901.50
6. Step 6: Final answer
   x = 18,628.70