Finding the Third Proportional to 47,274 and 70,578

Step by Step Solution

1. Step 1: Write the proportion equation
   47,274 : 70,578 = 70,578 : x
2. Step 2: Convert to fraction form
   47,274/70,578 = 70,578/x
3. Step 3: Cross multiply
   47,274x = 70,578 × 70,578
4. Step 4: Simplify right side
   47,274x = 4,981,254,084
5. Step 5: Solve for x
   x = 4,981,254,084/47,274
6. Step 6: Final answer
   x = 105,369.85