Finding the Third Proportional to 11,777.52 and 25,630.80

Step by Step Solution

1. Step 1: Write the proportion equation
   11,777.52 : 25,630.80 = 25,630.80 : x
2. Step 2: Convert to fraction form
   11,777.52/25,630.80 = 25,630.80/x
3. Step 3: Cross multiply
   11,777.52x = 25,630.80 × 25,630.80
4. Step 4: Simplify right side
   11,777.52x = 656,938,148.93
5. Step 5: Solve for x
   x = 656,938,148.93/11,777.52
6. Step 6: Final answer
   x = 55,778.99