Finding the Third Proportional to 80,651 and 112,809

Step by Step Solution

1. Step 1: Write the proportion equation
   80,651 : 112,809 = 112,809 : x
2. Step 2: Convert to fraction form
   80,651/112,809 = 112,809/x
3. Step 3: Cross multiply
   80,651x = 112,809 × 112,809
4. Step 4: Simplify right side
   80,651x = 12,725,870,481
5. Step 5: Solve for x
   x = 12,725,870,481/80,651
6. Step 6: Final answer
   x = 157,789.37