Finding the Third Proportional to 16,421 and 23,913

Step by Step Solution

1. Step 1: Write the proportion equation
   16,421 : 23,913 = 23,913 : x
2. Step 2: Convert to fraction form
   16,421/23,913 = 23,913/x
3. Step 3: Cross multiply
   16,421x = 23,913 × 23,913
4. Step 4: Simplify right side
   16,421x = 571,831,569
5. Step 5: Solve for x
   x = 571,831,569/16,421
6. Step 6: Final answer
   x = 34,823.19