Finding the Third Proportional to 112,290 and 168,892

Step by Step Solution

1. Step 1: Write the proportion equation
   112,290 : 168,892 = 168,892 : x
2. Step 2: Convert to fraction form
   112,290/168,892 = 168,892/x
3. Step 3: Cross multiply
   112,290x = 168,892 × 168,892
4. Step 4: Simplify right side
   112,290x = 28,524,507,664
5. Step 5: Solve for x
   x = 28,524,507,664/112,290
6. Step 6: Final answer
   x = 254,025.36