Finding the Third Proportional to 62,878 and 150,155

Step by Step Solution

1. Step 1: Write the proportion equation
   62,878 : 150,155 = 150,155 : x
2. Step 2: Convert to fraction form
   62,878/150,155 = 150,155/x
3. Step 3: Cross multiply
   62,878x = 150,155 × 150,155
4. Step 4: Simplify right side
   62,878x = 22,546,524,025
5. Step 5: Solve for x
   x = 22,546,524,025/62,878
6. Step 6: Final answer
   x = 358,575.72