Finding the Third Proportional to 70,780 and 154,048

Step by Step Solution

1. Step 1: Write the proportion equation
   70,780 : 154,048 = 154,048 : x
2. Step 2: Convert to fraction form
   70,780/154,048 = 154,048/x
3. Step 3: Cross multiply
   70,780x = 154,048 × 154,048
4. Step 4: Simplify right side
   70,780x = 23,730,786,304
5. Step 5: Solve for x
   x = 23,730,786,304/70,780
6. Step 6: Final answer
   x = 335,275.31