Finding the Third Proportional to 2,172,694 and 4,676,718

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,694 : 4,676,718 = 4,676,718 : x
2. Step 2: Convert to fraction form
   2,172,694/4,676,718 = 4,676,718/x
3. Step 3: Cross multiply
   2,172,694x = 4,676,718 × 4,676,718
4. Step 4: Simplify right side
   2,172,694x = 21,871,691,251,524
5. Step 5: Solve for x
   x = 21,871,691,251,524/2,172,694
6. Step 6: Final answer
   x = 10,066,622.94