Finding the Third Proportional to 9,363.09 and 19,939.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,363.09 : 19,939.29 = 19,939.29 : x
2. Step 2: Convert to fraction form
   9,363.09/19,939.29 = 19,939.29/x
3. Step 3: Cross multiply
   9,363.09x = 19,939.29 × 19,939.29
4. Step 4: Simplify right side
   9,363.09x = 397,575,248.32
5. Step 5: Solve for x
   x = 397,575,248.32/9,363.09
6. Step 6: Final answer
   x = 42,461.95