Finding the Third Proportional to 18,753.56 and 40,877.31

Step by Step Solution

1. Step 1: Write the proportion equation
   18,753.56 : 40,877.31 = 40,877.31 : x
2. Step 2: Convert to fraction form
   18,753.56/40,877.31 = 40,877.31/x
3. Step 3: Cross multiply
   18,753.56x = 40,877.31 × 40,877.31
4. Step 4: Simplify right side
   18,753.56x = 1,670,954,836.90
5. Step 5: Solve for x
   x = 1,670,954,836.90/18,753.56
6. Step 6: Final answer
   x = 89,100.69