Finding the Third Proportional to 14,215.50 and 21,098.25

Step by Step Solution

1. Step 1: Write the proportion equation
   14,215.50 : 21,098.25 = 21,098.25 : x
2. Step 2: Convert to fraction form
   14,215.50/21,098.25 = 21,098.25/x
3. Step 3: Cross multiply
   14,215.50x = 21,098.25 × 21,098.25
4. Step 4: Simplify right side
   14,215.50x = 445,136,153.06
5. Step 5: Solve for x
   x = 445,136,153.06/14,215.50
6. Step 6: Final answer
   x = 31,313.44