Finding the Third Proportional to 30,789 and 67,626

Step by Step Solution

1. Step 1: Write the proportion equation
   30,789 : 67,626 = 67,626 : x
2. Step 2: Convert to fraction form
   30,789/67,626 = 67,626/x
3. Step 3: Cross multiply
   30,789x = 67,626 × 67,626
4. Step 4: Simplify right side
   30,789x = 4,573,275,876
5. Step 5: Solve for x
   x = 4,573,275,876/30,789
6. Step 6: Final answer
   x = 148,536.03