Finding the Third Proportional to 30,917 and 67,354

Step by Step Solution

1. Step 1: Write the proportion equation
   30,917 : 67,354 = 67,354 : x
2. Step 2: Convert to fraction form
   30,917/67,354 = 67,354/x
3. Step 3: Cross multiply
   30,917x = 67,354 × 67,354
4. Step 4: Simplify right side
   30,917x = 4,536,561,316
5. Step 5: Solve for x
   x = 4,536,561,316/30,917
6. Step 6: Final answer
   x = 146,733.55