Finding the Third Proportional to 21,130 and 28,462

Step by Step Solution

1. Step 1: Write the proportion equation
   21,130 : 28,462 = 28,462 : x
2. Step 2: Convert to fraction form
   21,130/28,462 = 28,462/x
3. Step 3: Cross multiply
   21,130x = 28,462 × 28,462
4. Step 4: Simplify right side
   21,130x = 810,085,444
5. Step 5: Solve for x
   x = 810,085,444/21,130
6. Step 6: Final answer
   x = 38,338.17