Finding the Third Proportional to 30,864 and 63,912

Step by Step Solution

1. Step 1: Write the proportion equation
   30,864 : 63,912 = 63,912 : x
2. Step 2: Convert to fraction form
   30,864/63,912 = 63,912/x
3. Step 3: Cross multiply
   30,864x = 63,912 × 63,912
4. Step 4: Simplify right side
   30,864x = 4,084,743,744
5. Step 5: Solve for x
   x = 4,084,743,744/30,864
6. Step 6: Final answer
   x = 132,346.54