Finding the Third Proportional to 30,744 and 62,928

Step by Step Solution

1. Step 1: Write the proportion equation
   30,744 : 62,928 = 62,928 : x
2. Step 2: Convert to fraction form
   30,744/62,928 = 62,928/x
3. Step 3: Cross multiply
   30,744x = 62,928 × 62,928
4. Step 4: Simplify right side
   30,744x = 3,959,933,184
5. Step 5: Solve for x
   x = 3,959,933,184/30,744
6. Step 6: Final answer
   x = 128,803.45