Finding the Third Proportional to 72,624 and 112,155

Step by Step Solution

1. Step 1: Write the proportion equation
   72,624 : 112,155 = 112,155 : x
2. Step 2: Convert to fraction form
   72,624/112,155 = 112,155/x
3. Step 3: Cross multiply
   72,624x = 112,155 × 112,155
4. Step 4: Simplify right side
   72,624x = 12,578,744,025
5. Step 5: Solve for x
   x = 12,578,744,025/72,624
6. Step 6: Final answer
   x = 173,203.68