Finding the Third Proportional to 111,600 and 167,391

Step by Step Solution

1. Step 1: Write the proportion equation
   111,600 : 167,391 = 167,391 : x
2. Step 2: Convert to fraction form
   111,600/167,391 = 167,391/x
3. Step 3: Cross multiply
   111,600x = 167,391 × 167,391
4. Step 4: Simplify right side
   111,600x = 28,019,746,881
5. Step 5: Solve for x
   x = 28,019,746,881/111,600
6. Step 6: Final answer
   x = 251,073.00