Finding the Third Proportional to 7,887.38 and 17,865.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,887.38 : 17,865.56 = 17,865.56 : x
2. Step 2: Convert to fraction form
   7,887.38/17,865.56 = 17,865.56/x
3. Step 3: Cross multiply
   7,887.38x = 17,865.56 × 17,865.56
4. Step 4: Simplify right side
   7,887.38x = 319,178,323.44
5. Step 5: Solve for x
   x = 319,178,323.44/7,887.38
6. Step 6: Final answer
   x = 40,466.99