Finding the Third Proportional to 19,523.53 and 40,431.02

Step by Step Solution

1. Step 1: Write the proportion equation
   19,523.53 : 40,431.02 = 40,431.02 : x
2. Step 2: Convert to fraction form
   19,523.53/40,431.02 = 40,431.02/x
3. Step 3: Cross multiply
   19,523.53x = 40,431.02 × 40,431.02
4. Step 4: Simplify right side
   19,523.53x = 1,634,667,656.20
5. Step 5: Solve for x
   x = 1,634,667,656.20/19,523.53
6. Step 6: Final answer
   x = 83,728.07