Finding the Third Proportional to 34,210 and 70,716

Step by Step Solution

1. Step 1: Write the proportion equation
   34,210 : 70,716 = 70,716 : x
2. Step 2: Convert to fraction form
   34,210/70,716 = 70,716/x
3. Step 3: Cross multiply
   34,210x = 70,716 × 70,716
4. Step 4: Simplify right side
   34,210x = 5,000,752,656
5. Step 5: Solve for x
   x = 5,000,752,656/34,210
6. Step 6: Final answer
   x = 146,178.10