Finding the Third Proportional to 56,436 and 120,180

Step by Step Solution

1. Step 1: Write the proportion equation
   56,436 : 120,180 = 120,180 : x
2. Step 2: Convert to fraction form
   56,436/120,180 = 120,180/x
3. Step 3: Cross multiply
   56,436x = 120,180 × 120,180
4. Step 4: Simplify right side
   56,436x = 14,443,232,400
5. Step 5: Solve for x
   x = 14,443,232,400/56,436
6. Step 6: Final answer
   x = 255,922.33