Finding the Third Proportional to 3,700.69 and 8,932.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,700.69 : 8,932.78 = 8,932.78 : x
2. Step 2: Convert to fraction form
   3,700.69/8,932.78 = 8,932.78/x
3. Step 3: Cross multiply
   3,700.69x = 8,932.78 × 8,932.78
4. Step 4: Simplify right side
   3,700.69x = 79,794,580.86
5. Step 5: Solve for x
   x = 79,794,580.86/3,700.69
6. Step 6: Final answer
   x = 21,562.10