Finding the Third Proportional to 34,674 and 67,620

Step by Step Solution

1. Step 1: Write the proportion equation
   34,674 : 67,620 = 67,620 : x
2. Step 2: Convert to fraction form
   34,674/67,620 = 67,620/x
3. Step 3: Cross multiply
   34,674x = 67,620 × 67,620
4. Step 4: Simplify right side
   34,674x = 4,572,464,400
5. Step 5: Solve for x
   x = 4,572,464,400/34,674
6. Step 6: Final answer
   x = 131,870.12