Finding the Third Proportional to 70,674 and 149,610

Step by Step Solution

1. Step 1: Write the proportion equation
   70,674 : 149,610 = 149,610 : x
2. Step 2: Convert to fraction form
   70,674/149,610 = 149,610/x
3. Step 3: Cross multiply
   70,674x = 149,610 × 149,610
4. Step 4: Simplify right side
   70,674x = 22,383,152,100
5. Step 5: Solve for x
   x = 22,383,152,100/70,674
6. Step 6: Final answer
   x = 316,709.85