Finding the Third Proportional to 2,550,921.75 and 5,599,446

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550,921.75 : 5,599,446 = 5,599,446 : x
2. Step 2: Convert to fraction form
   2,550,921.75/5,599,446 = 5,599,446/x
3. Step 3: Cross multiply
   2,550,921.75x = 5,599,446 × 5,599,446
4. Step 4: Simplify right side
   2,550,921.75x = 31,353,795,506,916
5. Step 5: Solve for x
   x = 31,353,795,506,916/2,550,921.75
6. Step 6: Final answer
   x = 12,291,163.19