Finding the Third Proportional to 9,292.88 and 19,786.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,292.88 : 19,786.13 = 19,786.13 : x
2. Step 2: Convert to fraction form
   9,292.88/19,786.13 = 19,786.13/x
3. Step 3: Cross multiply
   9,292.88x = 19,786.13 × 19,786.13
4. Step 4: Simplify right side
   9,292.88x = 391,490,742.52
5. Step 5: Solve for x
   x = 391,490,742.52/9,292.88
6. Step 6: Final answer
   x = 42,128.05