Finding the Third Proportional to 56,605.50 and 122,436

Step by Step Solution

1. Step 1: Write the proportion equation
   56,605.50 : 122,436 = 122,436 : x
2. Step 2: Convert to fraction form
   56,605.50/122,436 = 122,436/x
3. Step 3: Cross multiply
   56,605.50x = 122,436 × 122,436
4. Step 4: Simplify right side
   56,605.50x = 14,990,574,096
5. Step 5: Solve for x
   x = 14,990,574,096/56,605.50
6. Step 6: Final answer
   x = 264,825.40