Finding the Third Proportional to 9,995.91 and 21,347.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,995.91 : 21,347.30 = 21,347.30 : x
2. Step 2: Convert to fraction form
   9,995.91/21,347.30 = 21,347.30/x
3. Step 3: Cross multiply
   9,995.91x = 21,347.30 × 21,347.30
4. Step 4: Simplify right side
   9,995.91x = 455,707,083.87
5. Step 5: Solve for x
   x = 455,707,083.87/9,995.91
6. Step 6: Final answer
   x = 45,589.37