Finding the Third Proportional to 70,676 and 152,478

Step by Step Solution

1. Step 1: Write the proportion equation
   70,676 : 152,478 = 152,478 : x
2. Step 2: Convert to fraction form
   70,676/152,478 = 152,478/x
3. Step 3: Cross multiply
   70,676x = 152,478 × 152,478
4. Step 4: Simplify right side
   70,676x = 23,249,540,484
5. Step 5: Solve for x
   x = 23,249,540,484/70,676
6. Step 6: Final answer
   x = 328,959.48