Finding the Third Proportional to 74,280 and 162,112

Step by Step Solution

1. Step 1: Write the proportion equation
   74,280 : 162,112 = 162,112 : x
2. Step 2: Convert to fraction form
   74,280/162,112 = 162,112/x
3. Step 3: Cross multiply
   74,280x = 162,112 × 162,112
4. Step 4: Simplify right side
   74,280x = 26,280,300,544
5. Step 5: Solve for x
   x = 26,280,300,544/74,280
6. Step 6: Final answer
   x = 353,800.49