Finding the Third Proportional to 2,563,994 and 5,471,228

Step by Step Solution

1. Step 1: Write the proportion equation
   2,563,994 : 5,471,228 = 5,471,228 : x
2. Step 2: Convert to fraction form
   2,563,994/5,471,228 = 5,471,228/x
3. Step 3: Cross multiply
   2,563,994x = 5,471,228 × 5,471,228
4. Step 4: Simplify right side
   2,563,994x = 29,934,335,827,984
5. Step 5: Solve for x
   x = 29,934,335,827,984/2,563,994
6. Step 6: Final answer
   x = 11,674,885.29