Finding the Third Proportional to 2,631,564 and 3,966,786

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631,564 : 3,966,786 = 3,966,786 : x
2. Step 2: Convert to fraction form
   2,631,564/3,966,786 = 3,966,786/x
3. Step 3: Cross multiply
   2,631,564x = 3,966,786 × 3,966,786
4. Step 4: Simplify right side
   2,631,564x = 15,735,391,169,796
5. Step 5: Solve for x
   x = 15,735,391,169,796/2,631,564
6. Step 6: Final answer
   x = 5,979,482.61