Finding the Third Proportional to 40,808.81 and 54,515.53

Step by Step Solution

1. Step 1: Write the proportion equation
   40,808.81 : 54,515.53 = 54,515.53 : x
2. Step 2: Convert to fraction form
   40,808.81/54,515.53 = 54,515.53/x
3. Step 3: Cross multiply
   40,808.81x = 54,515.53 × 54,515.53
4. Step 4: Simplify right side
   40,808.81x = 2,971,943,147.47
5. Step 5: Solve for x
   x = 2,971,943,147.47/40,808.81
6. Step 6: Final answer
   x = 72,826.01