Finding the Third Proportional to 70,648.50 and 154,419

Step by Step Solution

1. Step 1: Write the proportion equation
   70,648.50 : 154,419 = 154,419 : x
2. Step 2: Convert to fraction form
   70,648.50/154,419 = 154,419/x
3. Step 3: Cross multiply
   70,648.50x = 154,419 × 154,419
4. Step 4: Simplify right side
   70,648.50x = 23,845,227,561
5. Step 5: Solve for x
   x = 23,845,227,561/70,648.50
6. Step 6: Final answer
   x = 337,519.23