Finding the Third Proportional to 8,892.56 and 18,880.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,892.56 : 18,880.31 = 18,880.31 : x
2. Step 2: Convert to fraction form
   8,892.56/18,880.31 = 18,880.31/x
3. Step 3: Cross multiply
   8,892.56x = 18,880.31 × 18,880.31
4. Step 4: Simplify right side
   8,892.56x = 356,466,200.10
5. Step 5: Solve for x
   x = 356,466,200.10/8,892.56
6. Step 6: Final answer
   x = 40,085.88