Finding the Third Proportional to 57,145.50 and 63,524.25

Step by Step Solution

1. Step 1: Write the proportion equation
   57,145.50 : 63,524.25 = 63,524.25 : x
2. Step 2: Convert to fraction form
   57,145.50/63,524.25 = 63,524.25/x
3. Step 3: Cross multiply
   57,145.50x = 63,524.25 × 63,524.25
4. Step 4: Simplify right side
   57,145.50x = 4,035,330,338.06
5. Step 5: Solve for x
   x = 4,035,330,338.06/57,145.50
6. Step 6: Final answer
   x = 70,615.01