Finding the Third Proportional to 2,561,477.63 and 5,548,587.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561,477.63 : 5,548,587.75 = 5,548,587.75 : x
2. Step 2: Convert to fraction form
   2,561,477.63/5,548,587.75 = 5,548,587.75/x
3. Step 3: Cross multiply
   2,561,477.63x = 5,548,587.75 × 5,548,587.75
4. Step 4: Simplify right side
   2,561,477.63x = 30,786,826,019,450.06
5. Step 5: Solve for x
   x = 30,786,826,019,450.06/2,561,477.63
6. Step 6: Final answer
   x = 12,019,166.48