Finding the Third Proportional to 5,223.38 and 7,900.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,223.38 : 7,900.88 = 7,900.88 : x
2. Step 2: Convert to fraction form
   5,223.38/7,900.88 = 7,900.88/x
3. Step 3: Cross multiply
   5,223.38x = 7,900.88 × 7,900.88
4. Step 4: Simplify right side
   5,223.38x = 62,423,825.77
5. Step 5: Solve for x
   x = 62,423,825.77/5,223.38
6. Step 6: Final answer
   x = 11,950.86