Finding the Third Proportional to 9,993 and 21,889.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,993 : 21,889.50 = 21,889.50 : x
2. Step 2: Convert to fraction form
   9,993/21,889.50 = 21,889.50/x
3. Step 3: Cross multiply
   9,993x = 21,889.50 × 21,889.50
4. Step 4: Simplify right side
   9,993x = 479,150,210.25
5. Step 5: Solve for x
   x = 479,150,210.25/9,993
6. Step 6: Final answer
   x = 47,948.59