Finding the Third Proportional to 2,166,564 and 4,694,712

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,564 : 4,694,712 = 4,694,712 : x
2. Step 2: Convert to fraction form
   2,166,564/4,694,712 = 4,694,712/x
3. Step 3: Cross multiply
   2,166,564x = 4,694,712 × 4,694,712
4. Step 4: Simplify right side
   2,166,564x = 22,040,320,762,944
5. Step 5: Solve for x
   x = 22,040,320,762,944/2,166,564
6. Step 6: Final answer
   x = 10,172,937.78