Finding the Third Proportional to 34,115 and 72,604

Step by Step Solution

1. Step 1: Write the proportion equation
   34,115 : 72,604 = 72,604 : x
2. Step 2: Convert to fraction form
   34,115/72,604 = 72,604/x
3. Step 3: Cross multiply
   34,115x = 72,604 × 72,604
4. Step 4: Simplify right side
   34,115x = 5,271,340,816
5. Step 5: Solve for x
   x = 5,271,340,816/34,115
6. Step 6: Final answer
   x = 154,516.81