Finding the Third Proportional to 30,984 and 67,908

Step by Step Solution

1. Step 1: Write the proportion equation
   30,984 : 67,908 = 67,908 : x
2. Step 2: Convert to fraction form
   30,984/67,908 = 67,908/x
3. Step 3: Cross multiply
   30,984x = 67,908 × 67,908
4. Step 4: Simplify right side
   30,984x = 4,611,496,464
5. Step 5: Solve for x
   x = 4,611,496,464/30,984
6. Step 6: Final answer
   x = 148,834.77