Finding the Third Proportional to 21,060 and 30,426

Step by Step Solution

1. Step 1: Write the proportion equation
   21,060 : 30,426 = 30,426 : x
2. Step 2: Convert to fraction form
   21,060/30,426 = 30,426/x
3. Step 3: Cross multiply
   21,060x = 30,426 × 30,426
4. Step 4: Simplify right side
   21,060x = 925,741,476
5. Step 5: Solve for x
   x = 925,741,476/21,060
6. Step 6: Final answer
   x = 43,957.34