Finding the Third Proportional to 31,398 and 67,926

Step by Step Solution

1. Step 1: Write the proportion equation
   31,398 : 67,926 = 67,926 : x
2. Step 2: Convert to fraction form
   31,398/67,926 = 67,926/x
3. Step 3: Cross multiply
   31,398x = 67,926 × 67,926
4. Step 4: Simplify right side
   31,398x = 4,613,941,476
5. Step 5: Solve for x
   x = 4,613,941,476/31,398
6. Step 6: Final answer
   x = 146,950.17