Finding the Third Proportional to 34,215 and 70,726

Step by Step Solution

1. Step 1: Write the proportion equation
   34,215 : 70,726 = 70,726 : x
2. Step 2: Convert to fraction form
   34,215/70,726 = 70,726/x
3. Step 3: Cross multiply
   34,215x = 70,726 × 70,726
4. Step 4: Simplify right side
   34,215x = 5,002,167,076
5. Step 5: Solve for x
   x = 5,002,167,076/34,215
6. Step 6: Final answer
   x = 146,198.07