Finding the Third Proportional to 45,668.81 and 71,658.42

Step by Step Solution

1. Step 1: Write the proportion equation
   45,668.81 : 71,658.42 = 71,658.42 : x
2. Step 2: Convert to fraction form
   45,668.81/71,658.42 = 71,658.42/x
3. Step 3: Cross multiply
   45,668.81x = 71,658.42 × 71,658.42
4. Step 4: Simplify right side
   45,668.81x = 5,134,929,425.62
5. Step 5: Solve for x
   x = 5,134,929,425.62/45,668.81
6. Step 6: Final answer
   x = 112,438.43