Finding the Third Proportional to 160,482 and 248,357.50

Step by Step Solution

1. Step 1: Write the proportion equation
   160,482 : 248,357.50 = 248,357.50 : x
2. Step 2: Convert to fraction form
   160,482/248,357.50 = 248,357.50/x
3. Step 3: Cross multiply
   160,482x = 248,357.50 × 248,357.50
4. Step 4: Simplify right side
   160,482x = 61,681,447,806.25
5. Step 5: Solve for x
   x = 61,681,447,806.25/160,482
6. Step 6: Final answer
   x = 384,351.19