Finding the Third Proportional to 5,651.17 and 8,534.43

Step by Step Solution

1. Step 1: Write the proportion equation
   5,651.17 : 8,534.43 = 8,534.43 : x
2. Step 2: Convert to fraction form
   5,651.17/8,534.43 = 8,534.43/x
3. Step 3: Cross multiply
   5,651.17x = 8,534.43 × 8,534.43
4. Step 4: Simplify right side
   5,651.17x = 72,836,423.42
5. Step 5: Solve for x
   x = 72,836,423.42/5,651.17
6. Step 6: Final answer
   x = 12,888.72