Finding the Third Proportional to 10,175.50 and 21,459.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,175.50 : 21,459.50 = 21,459.50 : x
2. Step 2: Convert to fraction form
   10,175.50/21,459.50 = 21,459.50/x
3. Step 3: Cross multiply
   10,175.50x = 21,459.50 × 21,459.50
4. Step 4: Simplify right side
   10,175.50x = 460,510,140.25
5. Step 5: Solve for x
   x = 460,510,140.25/10,175.50
6. Step 6: Final answer
   x = 45,256.76