Finding the Third Proportional to 5,101.88 and 7,221.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,101.88 : 7,221.94 = 7,221.94 : x
2. Step 2: Convert to fraction form
   5,101.88/7,221.94 = 7,221.94/x
3. Step 3: Cross multiply
   5,101.88x = 7,221.94 × 7,221.94
4. Step 4: Simplify right side
   5,101.88x = 52,156,381.25
5. Step 5: Solve for x
   x = 52,156,381.25/5,101.88
6. Step 6: Final answer
   x = 10,222.98