Finding the Third Proportional to 34,112 and 74,812

Step by Step Solution

1. Step 1: Write the proportion equation
   34,112 : 74,812 = 74,812 : x
2. Step 2: Convert to fraction form
   34,112/74,812 = 74,812/x
3. Step 3: Cross multiply
   34,112x = 74,812 × 74,812
4. Step 4: Simplify right side
   34,112x = 5,596,835,344
5. Step 5: Solve for x
   x = 5,596,835,344/34,112
6. Step 6: Final answer
   x = 164,072.33