Finding the Third Proportional to 16,304.63 and 21,839.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,304.63 : 21,839.25 = 21,839.25 : x
2. Step 2: Convert to fraction form
   16,304.63/21,839.25 = 21,839.25/x
3. Step 3: Cross multiply
   16,304.63x = 21,839.25 × 21,839.25
4. Step 4: Simplify right side
   16,304.63x = 476,952,840.56
5. Step 5: Solve for x
   x = 476,952,840.56/16,304.63
6. Step 6: Final answer
   x = 29,252.61