Finding the Third Proportional to 12,200.63 and 25,977.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,200.63 : 25,977.38 = 25,977.38 : x
2. Step 2: Convert to fraction form
   12,200.63/25,977.38 = 25,977.38/x
3. Step 3: Cross multiply
   12,200.63x = 25,977.38 × 25,977.38
4. Step 4: Simplify right side
   12,200.63x = 674,824,011.89
5. Step 5: Solve for x
   x = 674,824,011.89/12,200.63
6. Step 6: Final answer
   x = 55,310.61