Finding the Third Proportional to 74,077.50 and 160,800

Step by Step Solution

1. Step 1: Write the proportion equation
   74,077.50 : 160,800 = 160,800 : x
2. Step 2: Convert to fraction form
   74,077.50/160,800 = 160,800/x
3. Step 3: Cross multiply
   74,077.50x = 160,800 × 160,800
4. Step 4: Simplify right side
   74,077.50x = 25,856,640,000
5. Step 5: Solve for x
   x = 25,856,640,000/74,077.50
6. Step 6: Final answer
   x = 349,048.50