Finding the Third Proportional to 70,830 and 154,800

Step by Step Solution

1. Step 1: Write the proportion equation
   70,830 : 154,800 = 154,800 : x
2. Step 2: Convert to fraction form
   70,830/154,800 = 154,800/x
3. Step 3: Cross multiply
   70,830x = 154,800 × 154,800
4. Step 4: Simplify right side
   70,830x = 23,963,040,000
5. Step 5: Solve for x
   x = 23,963,040,000/70,830
6. Step 6: Final answer
   x = 338,317.66