Finding the Third Proportional to 108,940 and 168,264

Step by Step Solution

1. Step 1: Write the proportion equation
   108,940 : 168,264 = 168,264 : x
2. Step 2: Convert to fraction form
   108,940/168,264 = 168,264/x
3. Step 3: Cross multiply
   108,940x = 168,264 × 168,264
4. Step 4: Simplify right side
   108,940x = 28,312,773,696
5. Step 5: Solve for x
   x = 28,312,773,696/108,940
6. Step 6: Final answer
   x = 259,893.28