Finding the Third Proportional to 3,672.13 and 7,762.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672.13 : 7,762.88 = 7,762.88 : x
2. Step 2: Convert to fraction form
   3,672.13/7,762.88 = 7,762.88/x
3. Step 3: Cross multiply
   3,672.13x = 7,762.88 × 7,762.88
4. Step 4: Simplify right side
   3,672.13x = 60,262,228.27
5. Step 5: Solve for x
   x = 60,262,228.27/3,672.13
6. Step 6: Final answer
   x = 16,410.72