Finding the Third Proportional to 9,851.63 and 21,890.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,851.63 : 21,890.25 = 21,890.25 : x
2. Step 2: Convert to fraction form
   9,851.63/21,890.25 = 21,890.25/x
3. Step 3: Cross multiply
   9,851.63x = 21,890.25 × 21,890.25
4. Step 4: Simplify right side
   9,851.63x = 479,183,045.06
5. Step 5: Solve for x
   x = 479,183,045.06/9,851.63
6. Step 6: Final answer
   x = 48,640.00