Finding the Third Proportional to 12,499.50 and 26,404.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.50 : 26,404.50 = 26,404.50 : x
2. Step 2: Convert to fraction form
   12,499.50/26,404.50 = 26,404.50/x
3. Step 3: Cross multiply
   12,499.50x = 26,404.50 × 26,404.50
4. Step 4: Simplify right side
   12,499.50x = 697,197,620.25
5. Step 5: Solve for x
   x = 697,197,620.25/12,499.50
6. Step 6: Final answer
   x = 55,778.04