Finding the Third Proportional to 11,891.81 and 32,138.65

Step by Step Solution

1. Step 1: Write the proportion equation
   11,891.81 : 32,138.65 = 32,138.65 : x
2. Step 2: Convert to fraction form
   11,891.81/32,138.65 = 32,138.65/x
3. Step 3: Cross multiply
   11,891.81x = 32,138.65 × 32,138.65
4. Step 4: Simplify right side
   11,891.81x = 1,032,892,723.39
5. Step 5: Solve for x
   x = 1,032,892,723.39/11,891.81
6. Step 6: Final answer
   x = 86,857.47