Finding the Third Proportional to 12,555.84 and 26,404.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,555.84 : 26,404.31 = 26,404.31 : x
2. Step 2: Convert to fraction form
   12,555.84/26,404.31 = 26,404.31/x
3. Step 3: Cross multiply
   12,555.84x = 26,404.31 × 26,404.31
4. Step 4: Simplify right side
   12,555.84x = 697,187,718.60
5. Step 5: Solve for x
   x = 697,187,718.60/12,555.84
6. Step 6: Final answer
   x = 55,526.95