Finding the Third Proportional to 8,429.63 and 13,024.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,429.63 : 13,024.69 = 13,024.69 : x
2. Step 2: Convert to fraction form
   8,429.63/13,024.69 = 13,024.69/x
3. Step 3: Cross multiply
   8,429.63x = 13,024.69 × 13,024.69
4. Step 4: Simplify right side
   8,429.63x = 169,642,484.47
5. Step 5: Solve for x
   x = 169,642,484.47/8,429.63
6. Step 6: Final answer
   x = 20,124.56