Finding the Third Proportional to 50,067.28 and 66,880.69

Step by Step Solution

1. Step 1: Write the proportion equation
   50,067.28 : 66,880.69 = 66,880.69 : x
2. Step 2: Convert to fraction form
   50,067.28/66,880.69 = 66,880.69/x
3. Step 3: Cross multiply
   50,067.28x = 66,880.69 × 66,880.69
4. Step 4: Simplify right side
   50,067.28x = 4,473,026,360.47
5. Step 5: Solve for x
   x = 4,473,026,360.47/50,067.28
6. Step 6: Final answer
   x = 89,340.31