Finding the Third Proportional to 30,767 and 60,620

Step by Step Solution

1. Step 1: Write the proportion equation
   30,767 : 60,620 = 60,620 : x
2. Step 2: Convert to fraction form
   30,767/60,620 = 60,620/x
3. Step 3: Cross multiply
   30,767x = 60,620 × 60,620
4. Step 4: Simplify right side
   30,767x = 3,674,784,400
5. Step 5: Solve for x
   x = 3,674,784,400/30,767
6. Step 6: Final answer
   x = 119,439.15