Finding the Third Proportional to 13,143.38 and 28,130.63

Step by Step Solution

1. Step 1: Write the proportion equation
   13,143.38 : 28,130.63 = 28,130.63 : x
2. Step 2: Convert to fraction form
   13,143.38/28,130.63 = 28,130.63/x
3. Step 3: Cross multiply
   13,143.38x = 28,130.63 × 28,130.63
4. Step 4: Simplify right side
   13,143.38x = 791,332,062.89
5. Step 5: Solve for x
   x = 791,332,062.89/13,143.38
6. Step 6: Final answer
   x = 60,207.68