Finding the Third Proportional to 73,416 and 111,661.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,416 : 111,661.50 = 111,661.50 : x
2. Step 2: Convert to fraction form
   73,416/111,661.50 = 111,661.50/x
3. Step 3: Cross multiply
   73,416x = 111,661.50 × 111,661.50
4. Step 4: Simplify right side
   73,416x = 12,468,290,582.25
5. Step 5: Solve for x
   x = 12,468,290,582.25/73,416
6. Step 6: Final answer
   x = 169,830.70