Finding the Third Proportional to 70,426 and 154,676

Step by Step Solution

1. Step 1: Write the proportion equation
   70,426 : 154,676 = 154,676 : x
2. Step 2: Convert to fraction form
   70,426/154,676 = 154,676/x
3. Step 3: Cross multiply
   70,426x = 154,676 × 154,676
4. Step 4: Simplify right side
   70,426x = 23,924,664,976
5. Step 5: Solve for x
   x = 23,924,664,976/70,426
6. Step 6: Final answer
   x = 339,713.53