Finding the Third Proportional to 173,960 and 268,798.50

Step by Step Solution

1. Step 1: Write the proportion equation
   173,960 : 268,798.50 = 268,798.50 : x
2. Step 2: Convert to fraction form
   173,960/268,798.50 = 268,798.50/x
3. Step 3: Cross multiply
   173,960x = 268,798.50 × 268,798.50
4. Step 4: Simplify right side
   173,960x = 72,252,633,602.25
5. Step 5: Solve for x
   x = 72,252,633,602.25/173,960
6. Step 6: Final answer
   x = 415,340.50