Finding the Third Proportional to 70,521 and 146,872

Step by Step Solution

1. Step 1: Write the proportion equation
   70,521 : 146,872 = 146,872 : x
2. Step 2: Convert to fraction form
   70,521/146,872 = 146,872/x
3. Step 3: Cross multiply
   70,521x = 146,872 × 146,872
4. Step 4: Simplify right side
   70,521x = 21,571,384,384
5. Step 5: Solve for x
   x = 21,571,384,384/70,521
6. Step 6: Final answer
   x = 305,885.97