Finding the Third Proportional to 9,993.38 and 21,499.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,993.38 : 21,499.31 = 21,499.31 : x
2. Step 2: Convert to fraction form
   9,993.38/21,499.31 = 21,499.31/x
3. Step 3: Cross multiply
   9,993.38x = 21,499.31 × 21,499.31
4. Step 4: Simplify right side
   9,993.38x = 462,220,437.97
5. Step 5: Solve for x
   x = 462,220,437.97/9,993.38
6. Step 6: Final answer
   x = 46,252.69