Finding the Third Proportional to 13,558.63 and 27,777.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,558.63 : 27,777.75 = 27,777.75 : x
2. Step 2: Convert to fraction form
   13,558.63/27,777.75 = 27,777.75/x
3. Step 3: Cross multiply
   13,558.63x = 27,777.75 × 27,777.75
4. Step 4: Simplify right side
   13,558.63x = 771,603,395.06
5. Step 5: Solve for x
   x = 771,603,395.06/13,558.63
6. Step 6: Final answer
   x = 56,908.68