Finding the Third Proportional to 12,863.81 and 27,777.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,863.81 : 27,777.94 = 27,777.94 : x
2. Step 2: Convert to fraction form
   12,863.81/27,777.94 = 27,777.94/x
3. Step 3: Cross multiply
   12,863.81x = 27,777.94 × 27,777.94
4. Step 4: Simplify right side
   12,863.81x = 771,613,811.75
5. Step 5: Solve for x
   x = 771,613,811.75/12,863.81
6. Step 6: Final answer
   x = 59,983.29