Finding the Third Proportional to 111,635 and 156,150.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,635 : 156,150.50 = 156,150.50 : x
2. Step 2: Convert to fraction form
   111,635/156,150.50 = 156,150.50/x
3. Step 3: Cross multiply
   111,635x = 156,150.50 × 156,150.50
4. Step 4: Simplify right side
   111,635x = 24,382,978,650.25
5. Step 5: Solve for x
   x = 24,382,978,650.25/111,635
6. Step 6: Final answer
   x = 218,416.97