Finding the Third Proportional to 72,578 and 112,150

Step by Step Solution

1. Step 1: Write the proportion equation
   72,578 : 112,150 = 112,150 : x
2. Step 2: Convert to fraction form
   72,578/112,150 = 112,150/x
3. Step 3: Cross multiply
   72,578x = 112,150 × 112,150
4. Step 4: Simplify right side
   72,578x = 12,577,622,500
5. Step 5: Solve for x
   x = 12,577,622,500/72,578
6. Step 6: Final answer
   x = 173,298.00