Finding the Third Proportional to 4,075.31 and 8,874.56

Step by Step Solution

1. Step 1: Write the proportion equation
   4,075.31 : 8,874.56 = 8,874.56 : x
2. Step 2: Convert to fraction form
   4,075.31/8,874.56 = 8,874.56/x
3. Step 3: Cross multiply
   4,075.31x = 8,874.56 × 8,874.56
4. Step 4: Simplify right side
   4,075.31x = 78,757,859.57
5. Step 5: Solve for x
   x = 78,757,859.57/4,075.31
6. Step 6: Final answer
   x = 19,325.60