Finding the Third Proportional to 2,561,579 and 5,503,047

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561,579 : 5,503,047 = 5,503,047 : x
2. Step 2: Convert to fraction form
   2,561,579/5,503,047 = 5,503,047/x
3. Step 3: Cross multiply
   2,561,579x = 5,503,047 × 5,503,047
4. Step 4: Simplify right side
   2,561,579x = 30,283,526,284,209
5. Step 5: Solve for x
   x = 30,283,526,284,209/2,561,579
6. Step 6: Final answer
   x = 11,822,210.55