Finding the Third Proportional to 163,256 and 247,348.50

Step by Step Solution

1. Step 1: Write the proportion equation
   163,256 : 247,348.50 = 247,348.50 : x
2. Step 2: Convert to fraction form
   163,256/247,348.50 = 247,348.50/x
3. Step 3: Cross multiply
   163,256x = 247,348.50 × 247,348.50
4. Step 4: Simplify right side
   163,256x = 61,181,280,452.25
5. Step 5: Solve for x
   x = 61,181,280,452.25/163,256
6. Step 6: Final answer
   x = 374,756.70