Finding the Third Proportional to 70,366.50 and 154,408.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,366.50 : 154,408.50 = 154,408.50 : x
2. Step 2: Convert to fraction form
   70,366.50/154,408.50 = 154,408.50/x
3. Step 3: Cross multiply
   70,366.50x = 154,408.50 × 154,408.50
4. Step 4: Simplify right side
   70,366.50x = 23,841,984,872.25
5. Step 5: Solve for x
   x = 23,841,984,872.25/70,366.50
6. Step 6: Final answer
   x = 338,825.79