Finding the Third Proportional to 108,820 and 168,151

Step by Step Solution

1. Step 1: Write the proportion equation
   108,820 : 168,151 = 168,151 : x
2. Step 2: Convert to fraction form
   108,820/168,151 = 168,151/x
3. Step 3: Cross multiply
   108,820x = 168,151 × 168,151
4. Step 4: Simplify right side
   108,820x = 28,274,758,801
5. Step 5: Solve for x
   x = 28,274,758,801/108,820
6. Step 6: Final answer
   x = 259,830.53