Finding the Third Proportional to 74,512.50 and 158,868

Step by Step Solution

1. Step 1: Write the proportion equation
   74,512.50 : 158,868 = 158,868 : x
2. Step 2: Convert to fraction form
   74,512.50/158,868 = 158,868/x
3. Step 3: Cross multiply
   74,512.50x = 158,868 × 158,868
4. Step 4: Simplify right side
   74,512.50x = 25,239,041,424
5. Step 5: Solve for x
   x = 25,239,041,424/74,512.50
6. Step 6: Final answer
   x = 338,722.25