Finding the Third Proportional to 2,615,304 and 5,643,463

Step by Step Solution

1. Step 1: Write the proportion equation
   2,615,304 : 5,643,463 = 5,643,463 : x
2. Step 2: Convert to fraction form
   2,615,304/5,643,463 = 5,643,463/x
3. Step 3: Cross multiply
   2,615,304x = 5,643,463 × 5,643,463
4. Step 4: Simplify right side
   2,615,304x = 31,848,674,632,369
5. Step 5: Solve for x
   x = 31,848,674,632,369/2,615,304
6. Step 6: Final answer
   x = 12,177,809.78