Finding the Third Proportional to 31,464.75 and 45,711.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,464.75 : 45,711.25 = 45,711.25 : x
2. Step 2: Convert to fraction form
   31,464.75/45,711.25 = 45,711.25/x
3. Step 3: Cross multiply
   31,464.75x = 45,711.25 × 45,711.25
4. Step 4: Simplify right side
   31,464.75x = 2,089,518,376.56
5. Step 5: Solve for x
   x = 2,089,518,376.56/31,464.75
6. Step 6: Final answer
   x = 66,408.23