Finding the Third Proportional to 25,358 and 54,818

Step by Step Solution

1. Step 1: Write the proportion equation
   25,358 : 54,818 = 54,818 : x
2. Step 2: Convert to fraction form
   25,358/54,818 = 54,818/x
3. Step 3: Cross multiply
   25,358x = 54,818 × 54,818
4. Step 4: Simplify right side
   25,358x = 3,005,013,124
5. Step 5: Solve for x
   x = 3,005,013,124/25,358
6. Step 6: Final answer
   x = 118,503.55