Finding the Third Proportional to 14,139 and 30,426

Step by Step Solution

1. Step 1: Write the proportion equation
   14,139 : 30,426 = 30,426 : x
2. Step 2: Convert to fraction form
   14,139/30,426 = 30,426/x
3. Step 3: Cross multiply
   14,139x = 30,426 × 30,426
4. Step 4: Simplify right side
   14,139x = 925,741,476
5. Step 5: Solve for x
   x = 925,741,476/14,139
6. Step 6: Final answer
   x = 65,474.32