Finding the Third Proportional to 13,405.50 and 27,600.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,405.50 : 27,600.75 = 27,600.75 : x
2. Step 2: Convert to fraction form
   13,405.50/27,600.75 = 27,600.75/x
3. Step 3: Cross multiply
   13,405.50x = 27,600.75 × 27,600.75
4. Step 4: Simplify right side
   13,405.50x = 761,801,400.56
5. Step 5: Solve for x
   x = 761,801,400.56/13,405.50
6. Step 6: Final answer
   x = 56,827.53