Finding the Third Proportional to 70,840 and 154,558

Step by Step Solution

1. Step 1: Write the proportion equation
   70,840 : 154,558 = 154,558 : x
2. Step 2: Convert to fraction form
   70,840/154,558 = 154,558/x
3. Step 3: Cross multiply
   70,840x = 154,558 × 154,558
4. Step 4: Simplify right side
   70,840x = 23,888,175,364
5. Step 5: Solve for x
   x = 23,888,175,364/70,840
6. Step 6: Final answer
   x = 337,213.09