Finding the Third Proportional to 12,241.13 and 21,429.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,241.13 : 21,429.56 = 21,429.56 : x
2. Step 2: Convert to fraction form
   12,241.13/21,429.56 = 21,429.56/x
3. Step 3: Cross multiply
   12,241.13x = 21,429.56 × 21,429.56
4. Step 4: Simplify right side
   12,241.13x = 459,226,148.94
5. Step 5: Solve for x
   x = 459,226,148.94/12,241.13
6. Step 6: Final answer
   x = 37,515.03