Finding the Third Proportional to 111,412 and 168,088

Step by Step Solution

1. Step 1: Write the proportion equation
   111,412 : 168,088 = 168,088 : x
2. Step 2: Convert to fraction form
   111,412/168,088 = 168,088/x
3. Step 3: Cross multiply
   111,412x = 168,088 × 168,088
4. Step 4: Simplify right side
   111,412x = 28,253,575,744
5. Step 5: Solve for x
   x = 28,253,575,744/111,412
6. Step 6: Final answer
   x = 253,595.45