Finding the Third Proportional to 14,012 and 21,070

Step by Step Solution

1. Step 1: Write the proportion equation
   14,012 : 21,070 = 21,070 : x
2. Step 2: Convert to fraction form
   14,012/21,070 = 21,070/x
3. Step 3: Cross multiply
   14,012x = 21,070 × 21,070
4. Step 4: Simplify right side
   14,012x = 443,944,900
5. Step 5: Solve for x
   x = 443,944,900/14,012
6. Step 6: Final answer
   x = 31,683.19