Finding the Third Proportional to 72,818 and 158,812

Step by Step Solution

1. Step 1: Write the proportion equation
   72,818 : 158,812 = 158,812 : x
2. Step 2: Convert to fraction form
   72,818/158,812 = 158,812/x
3. Step 3: Cross multiply
   72,818x = 158,812 × 158,812
4. Step 4: Simplify right side
   72,818x = 25,221,251,344
5. Step 5: Solve for x
   x = 25,221,251,344/72,818
6. Step 6: Final answer
   x = 346,360.12