Finding the Third Proportional to 34,240 and 51,144

Step by Step Solution

1. Step 1: Write the proportion equation
   34,240 : 51,144 = 51,144 : x
2. Step 2: Convert to fraction form
   34,240/51,144 = 51,144/x
3. Step 3: Cross multiply
   34,240x = 51,144 × 51,144
4. Step 4: Simplify right side
   34,240x = 2,615,708,736
5. Step 5: Solve for x
   x = 2,615,708,736/34,240
6. Step 6: Final answer
   x = 76,393.36