Finding the Third Proportional to 34,231 and 74,078

Step by Step Solution

1. Step 1: Write the proportion equation
   34,231 : 74,078 = 74,078 : x
2. Step 2: Convert to fraction form
   34,231/74,078 = 74,078/x
3. Step 3: Cross multiply
   34,231x = 74,078 × 74,078
4. Step 4: Simplify right side
   34,231x = 5,487,550,084
5. Step 5: Solve for x
   x = 5,487,550,084/34,231
6. Step 6: Final answer
   x = 160,309.37