Finding the Third Proportional to 49,779 and 73,200

Step by Step Solution

1. Step 1: Write the proportion equation
   49,779 : 73,200 = 73,200 : x
2. Step 2: Convert to fraction form
   49,779/73,200 = 73,200/x
3. Step 3: Cross multiply
   49,779x = 73,200 × 73,200
4. Step 4: Simplify right side
   49,779x = 5,358,240,000
5. Step 5: Solve for x
   x = 5,358,240,000/49,779
6. Step 6: Final answer
   x = 107,640.57