Finding the Third Proportional to 12,499.50 and 26,619

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.50 : 26,619 = 26,619 : x
2. Step 2: Convert to fraction form
   12,499.50/26,619 = 26,619/x
3. Step 3: Cross multiply
   12,499.50x = 26,619 × 26,619
4. Step 4: Simplify right side
   12,499.50x = 708,571,161
5. Step 5: Solve for x
   x = 708,571,161/12,499.50
6. Step 6: Final answer
   x = 56,687.96