Finding the Third Proportional to 160,479 and 248,356.50

Step by Step Solution

1. Step 1: Write the proportion equation
   160,479 : 248,356.50 = 248,356.50 : x
2. Step 2: Convert to fraction form
   160,479/248,356.50 = 248,356.50/x
3. Step 3: Cross multiply
   160,479x = 248,356.50 × 248,356.50
4. Step 4: Simplify right side
   160,479x = 61,680,951,092.25
5. Step 5: Solve for x
   x = 61,680,951,092.25/160,479
6. Step 6: Final answer
   x = 384,355.28