Finding the Third Proportional to 30,942 and 63,828

Step by Step Solution

1. Step 1: Write the proportion equation
   30,942 : 63,828 = 63,828 : x
2. Step 2: Convert to fraction form
   30,942/63,828 = 63,828/x
3. Step 3: Cross multiply
   30,942x = 63,828 × 63,828
4. Step 4: Simplify right side
   30,942x = 4,074,013,584
5. Step 5: Solve for x
   x = 4,074,013,584/30,942
6. Step 6: Final answer
   x = 131,666.14