Finding the Third Proportional to 2,563,980 and 5,471,199

Step by Step Solution

1. Step 1: Write the proportion equation
   2,563,980 : 5,471,199 = 5,471,199 : x
2. Step 2: Convert to fraction form
   2,563,980/5,471,199 = 5,471,199/x
3. Step 3: Cross multiply
   2,563,980x = 5,471,199 × 5,471,199
4. Step 4: Simplify right side
   2,563,980x = 29,934,018,497,601
5. Step 5: Solve for x
   x = 29,934,018,497,601/2,563,980
6. Step 6: Final answer
   x = 11,674,825.27