Finding the Third Proportional to 54,780 and 112,156

Step by Step Solution

1. Step 1: Write the proportion equation
   54,780 : 112,156 = 112,156 : x
2. Step 2: Convert to fraction form
   54,780/112,156 = 112,156/x
3. Step 3: Cross multiply
   54,780x = 112,156 × 112,156
4. Step 4: Simplify right side
   54,780x = 12,578,968,336
5. Step 5: Solve for x
   x = 12,578,968,336/54,780
6. Step 6: Final answer
   x = 229,627.02