Finding the Third Proportional to 12,686.63 and 27,803.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,686.63 : 27,803.25 = 27,803.25 : x
2. Step 2: Convert to fraction form
   12,686.63/27,803.25 = 27,803.25/x
3. Step 3: Cross multiply
   12,686.63x = 27,803.25 × 27,803.25
4. Step 4: Simplify right side
   12,686.63x = 773,020,710.56
5. Step 5: Solve for x
   x = 773,020,710.56/12,686.63
6. Step 6: Final answer
   x = 60,931.94