Finding the Third Proportional to 56,152.88 and 122,856

Step by Step Solution

1. Step 1: Write the proportion equation
   56,152.88 : 122,856 = 122,856 : x
2. Step 2: Convert to fraction form
   56,152.88/122,856 = 122,856/x
3. Step 3: Cross multiply
   56,152.88x = 122,856 × 122,856
4. Step 4: Simplify right side
   56,152.88x = 15,093,596,736
5. Step 5: Solve for x
   x = 15,093,596,736/56,152.88
6. Step 6: Final answer
   x = 268,794.73