Finding the Third Proportional to 30,078 and 63,396

Step by Step Solution

1. Step 1: Write the proportion equation
   30,078 : 63,396 = 63,396 : x
2. Step 2: Convert to fraction form
   30,078/63,396 = 63,396/x
3. Step 3: Cross multiply
   30,078x = 63,396 × 63,396
4. Step 4: Simplify right side
   30,078x = 4,019,052,816
5. Step 5: Solve for x
   x = 4,019,052,816/30,078
6. Step 6: Final answer
   x = 133,621.01