Finding the Third Proportional to 70,812 and 105,255

Step by Step Solution

1. Step 1: Write the proportion equation
   70,812 : 105,255 = 105,255 : x
2. Step 2: Convert to fraction form
   70,812/105,255 = 105,255/x
3. Step 3: Cross multiply
   70,812x = 105,255 × 105,255
4. Step 4: Simplify right side
   70,812x = 11,078,615,025
5. Step 5: Solve for x
   x = 11,078,615,025/70,812
6. Step 6: Final answer
   x = 156,451.10