Finding the Third Proportional to 73,639.50 and 112,601.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,639.50 : 112,601.50 = 112,601.50 : x
2. Step 2: Convert to fraction form
   73,639.50/112,601.50 = 112,601.50/x
3. Step 3: Cross multiply
   73,639.50x = 112,601.50 × 112,601.50
4. Step 4: Simplify right side
   73,639.50x = 12,679,097,802.25
5. Step 5: Solve for x
   x = 12,679,097,802.25/73,639.50
6. Step 6: Final answer
   x = 172,177.95