Finding the Third Proportional to 2,421.93 and 5,254.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,421.93 : 5,254.73 = 5,254.73 : x
2. Step 2: Convert to fraction form
   2,421.93/5,254.73 = 5,254.73/x
3. Step 3: Cross multiply
   2,421.93x = 5,254.73 × 5,254.73
4. Step 4: Simplify right side
   2,421.93x = 27,612,152.53
5. Step 5: Solve for x
   x = 27,612,152.53/2,421.93
6. Step 6: Final answer
   x = 11,400.88