Finding the Third Proportional to 21,018 and 28,046

Step by Step Solution

1. Step 1: Write the proportion equation
   21,018 : 28,046 = 28,046 : x
2. Step 2: Convert to fraction form
   21,018/28,046 = 28,046/x
3. Step 3: Cross multiply
   21,018x = 28,046 × 28,046
4. Step 4: Simplify right side
   21,018x = 786,578,116
5. Step 5: Solve for x
   x = 786,578,116/21,018
6. Step 6: Final answer
   x = 37,424.02