Finding the Third Proportional to 70,429 and 146,705

Step by Step Solution

1. Step 1: Write the proportion equation
   70,429 : 146,705 = 146,705 : x
2. Step 2: Convert to fraction form
   70,429/146,705 = 146,705/x
3. Step 3: Cross multiply
   70,429x = 146,705 × 146,705
4. Step 4: Simplify right side
   70,429x = 21,522,357,025
5. Step 5: Solve for x
   x = 21,522,357,025/70,429
6. Step 6: Final answer
   x = 305,589.42