Finding the Third Proportional to 16,131 and 21,835

Step by Step Solution

1. Step 1: Write the proportion equation
   16,131 : 21,835 = 21,835 : x
2. Step 2: Convert to fraction form
   16,131/21,835 = 21,835/x
3. Step 3: Cross multiply
   16,131x = 21,835 × 21,835
4. Step 4: Simplify right side
   16,131x = 476,767,225
5. Step 5: Solve for x
   x = 476,767,225/16,131
6. Step 6: Final answer
   x = 29,555.96