Finding the Third Proportional to 50,788 and 79,422

Step by Step Solution

1. Step 1: Write the proportion equation
   50,788 : 79,422 = 79,422 : x
2. Step 2: Convert to fraction form
   50,788/79,422 = 79,422/x
3. Step 3: Cross multiply
   50,788x = 79,422 × 79,422
4. Step 4: Simplify right side
   50,788x = 6,307,854,084
5. Step 5: Solve for x
   x = 6,307,854,084/50,788
6. Step 6: Final answer
   x = 124,199.69