Finding the Third Proportional to 56,492 and 120,488

Step by Step Solution

1. Step 1: Write the proportion equation
   56,492 : 120,488 = 120,488 : x
2. Step 2: Convert to fraction form
   56,492/120,488 = 120,488/x
3. Step 3: Cross multiply
   56,492x = 120,488 × 120,488
4. Step 4: Simplify right side
   56,492x = 14,517,358,144
5. Step 5: Solve for x
   x = 14,517,358,144/56,492
6. Step 6: Final answer
   x = 256,980.78