Finding the Third Proportional to 2,550,889 and 5,599,381

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550,889 : 5,599,381 = 5,599,381 : x
2. Step 2: Convert to fraction form
   2,550,889/5,599,381 = 5,599,381/x
3. Step 3: Cross multiply
   2,550,889x = 5,599,381 × 5,599,381
4. Step 4: Simplify right side
   2,550,889x = 31,353,067,583,161
5. Step 5: Solve for x
   x = 31,353,067,583,161/2,550,889
6. Step 6: Final answer
   x = 12,291,035.63