Finding the Third Proportional to 105,256 and 162,940

Step by Step Solution

1. Step 1: Write the proportion equation
   105,256 : 162,940 = 162,940 : x
2. Step 2: Convert to fraction form
   105,256/162,940 = 162,940/x
3. Step 3: Cross multiply
   105,256x = 162,940 × 162,940
4. Step 4: Simplify right side
   105,256x = 26,549,443,600
5. Step 5: Solve for x
   x = 26,549,443,600/105,256
6. Step 6: Final answer
   x = 252,236.87