Finding the Third Proportional to 73,673.72 and 112,624.59

Step by Step Solution

1. Step 1: Write the proportion equation
   73,673.72 : 112,624.59 = 112,624.59 : x
2. Step 2: Convert to fraction form
   73,673.72/112,624.59 = 112,624.59/x
3. Step 3: Cross multiply
   73,673.72x = 112,624.59 × 112,624.59
4. Step 4: Simplify right side
   73,673.72x = 12,684,299,117.35
5. Step 5: Solve for x
   x = 12,684,299,117.35/73,673.72
6. Step 6: Final answer
   x = 172,168.57