Finding the Third Proportional to 55,864.69 and 131,759.16

Step by Step Solution

1. Step 1: Write the proportion equation
   55,864.69 : 131,759.16 = 131,759.16 : x
2. Step 2: Convert to fraction form
   55,864.69/131,759.16 = 131,759.16/x
3. Step 3: Cross multiply
   55,864.69x = 131,759.16 × 131,759.16
4. Step 4: Simplify right side
   55,864.69x = 17,360,475,255.71
5. Step 5: Solve for x
   x = 17,360,475,255.71/55,864.69
6. Step 6: Final answer
   x = 310,759.37