Finding the Third Proportional to 54,940 and 112,490

Step by Step Solution

1. Step 1: Write the proportion equation
   54,940 : 112,490 = 112,490 : x
2. Step 2: Convert to fraction form
   54,940/112,490 = 112,490/x
3. Step 3: Cross multiply
   54,940x = 112,490 × 112,490
4. Step 4: Simplify right side
   54,940x = 12,654,000,100
5. Step 5: Solve for x
   x = 12,654,000,100/54,940
6. Step 6: Final answer
   x = 230,323.99