Finding the Third Proportional to 38,890.13 and 91,067.63

Step by Step Solution

1. Step 1: Write the proportion equation
   38,890.13 : 91,067.63 = 91,067.63 : x
2. Step 2: Convert to fraction form
   38,890.13/91,067.63 = 91,067.63/x
3. Step 3: Cross multiply
   38,890.13x = 91,067.63 × 91,067.63
4. Step 4: Simplify right side
   38,890.13x = 8,293,312,323.14
5. Step 5: Solve for x
   x = 8,293,312,323.14/38,890.13
6. Step 6: Final answer
   x = 213,249.82