Finding the Third Proportional to 30,938 and 67,924

Step by Step Solution

1. Step 1: Write the proportion equation
   30,938 : 67,924 = 67,924 : x
2. Step 2: Convert to fraction form
   30,938/67,924 = 67,924/x
3. Step 3: Cross multiply
   30,938x = 67,924 × 67,924
4. Step 4: Simplify right side
   30,938x = 4,613,669,776
5. Step 5: Solve for x
   x = 4,613,669,776/30,938
6. Step 6: Final answer
   x = 149,126.31