Finding the Third Proportional to 49,426 and 108,690

Step by Step Solution

1. Step 1: Write the proportion equation
   49,426 : 108,690 = 108,690 : x
2. Step 2: Convert to fraction form
   49,426/108,690 = 108,690/x
3. Step 3: Cross multiply
   49,426x = 108,690 × 108,690
4. Step 4: Simplify right side
   49,426x = 11,813,516,100
5. Step 5: Solve for x
   x = 11,813,516,100/49,426
6. Step 6: Final answer
   x = 239,014.21