Finding the Third Proportional to 176,199 and 268,429.50

Step by Step Solution

1. Step 1: Write the proportion equation
   176,199 : 268,429.50 = 268,429.50 : x
2. Step 2: Convert to fraction form
   176,199/268,429.50 = 268,429.50/x
3. Step 3: Cross multiply
   176,199x = 268,429.50 × 268,429.50
4. Step 4: Simplify right side
   176,199x = 72,054,396,470.25
5. Step 5: Solve for x
   x = 72,054,396,470.25/176,199
6. Step 6: Final answer
   x = 408,937.60