Finding the Third Proportional to 111,963 and 173,353.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,963 : 173,353.50 = 173,353.50 : x
2. Step 2: Convert to fraction form
   111,963/173,353.50 = 173,353.50/x
3. Step 3: Cross multiply
   111,963x = 173,353.50 × 173,353.50
4. Step 4: Simplify right side
   111,963x = 30,051,435,962.25
5. Step 5: Solve for x
   x = 30,051,435,962.25/111,963
6. Step 6: Final answer
   x = 268,405.06