Finding the Third Proportional to 70,429 and 146,660

Step by Step Solution

1. Step 1: Write the proportion equation
   70,429 : 146,660 = 146,660 : x
2. Step 2: Convert to fraction form
   70,429/146,660 = 146,660/x
3. Step 3: Cross multiply
   70,429x = 146,660 × 146,660
4. Step 4: Simplify right side
   70,429x = 21,509,155,600
5. Step 5: Solve for x
   x = 21,509,155,600/70,429
6. Step 6: Final answer
   x = 305,401.97