Finding the Third Proportional to 54,295 and 117,870

Step by Step Solution

1. Step 1: Write the proportion equation
   54,295 : 117,870 = 117,870 : x
2. Step 2: Convert to fraction form
   54,295/117,870 = 117,870/x
3. Step 3: Cross multiply
   54,295x = 117,870 × 117,870
4. Step 4: Simplify right side
   54,295x = 13,893,336,900
5. Step 5: Solve for x
   x = 13,893,336,900/54,295
6. Step 6: Final answer
   x = 255,886.12