Finding the Third Proportional to 9,457.50 and 20,645.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,457.50 : 20,645.25 = 20,645.25 : x
2. Step 2: Convert to fraction form
   9,457.50/20,645.25 = 20,645.25/x
3. Step 3: Cross multiply
   9,457.50x = 20,645.25 × 20,645.25
4. Step 4: Simplify right side
   9,457.50x = 426,226,347.56
5. Step 5: Solve for x
   x = 426,226,347.56/9,457.50
6. Step 6: Final answer
   x = 45,067.55