Finding the Third Proportional to 34,328 and 74,800

Step by Step Solution

1. Step 1: Write the proportion equation
   34,328 : 74,800 = 74,800 : x
2. Step 2: Convert to fraction form
   34,328/74,800 = 74,800/x
3. Step 3: Cross multiply
   34,328x = 74,800 × 74,800
4. Step 4: Simplify right side
   34,328x = 5,595,040,000
5. Step 5: Solve for x
   x = 5,595,040,000/34,328
6. Step 6: Final answer
   x = 162,987.65