Finding the Third Proportional to 16,220.25 and 21,864.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,220.25 : 21,864.94 = 21,864.94 : x
2. Step 2: Convert to fraction form
   16,220.25/21,864.94 = 21,864.94/x
3. Step 3: Cross multiply
   16,220.25x = 21,864.94 × 21,864.94
4. Step 4: Simplify right side
   16,220.25x = 478,075,491.88
5. Step 5: Solve for x
   x = 478,075,491.88/16,220.25
6. Step 6: Final answer
   x = 29,473.99