Finding the Third Proportional to 21,676 and 45,070

Step by Step Solution

1. Step 1: Write the proportion equation
   21,676 : 45,070 = 45,070 : x
2. Step 2: Convert to fraction form
   21,676/45,070 = 45,070/x
3. Step 3: Cross multiply
   21,676x = 45,070 × 45,070
4. Step 4: Simplify right side
   21,676x = 2,031,304,900
5. Step 5: Solve for x
   x = 2,031,304,900/21,676
6. Step 6: Final answer
   x = 93,712.17