Finding the Third Proportional to 5,214.38 and 11,120.91

Step by Step Solution

1. Step 1: Write the proportion equation
   5,214.38 : 11,120.91 = 11,120.91 : x
2. Step 2: Convert to fraction form
   5,214.38/11,120.91 = 11,120.91/x
3. Step 3: Cross multiply
   5,214.38x = 11,120.91 × 11,120.91
4. Step 4: Simplify right side
   5,214.38x = 123,674,555.82
5. Step 5: Solve for x
   x = 123,674,555.82/5,214.38
6. Step 6: Final answer
   x = 23,718.00