Finding the Third Proportional to 63,143.25 and 136,301.69

Step by Step Solution

1. Step 1: Write the proportion equation
   63,143.25 : 136,301.69 = 136,301.69 : x
2. Step 2: Convert to fraction form
   63,143.25/136,301.69 = 136,301.69/x
3. Step 3: Cross multiply
   63,143.25x = 136,301.69 × 136,301.69
4. Step 4: Simplify right side
   63,143.25x = 18,578,150,015.35
5. Step 5: Solve for x
   x = 18,578,150,015.35/63,143.25
6. Step 6: Final answer
   x = 294,222.26