Finding the Third Proportional to 1,313,172 and 2,822,499

Step by Step Solution

1. Step 1: Write the proportion equation
   1,313,172 : 2,822,499 = 2,822,499 : x
2. Step 2: Convert to fraction form
   1,313,172/2,822,499 = 2,822,499/x
3. Step 3: Cross multiply
   1,313,172x = 2,822,499 × 2,822,499
4. Step 4: Simplify right side
   1,313,172x = 7,966,500,605,001
5. Step 5: Solve for x
   x = 7,966,500,605,001/1,313,172
6. Step 6: Final answer
   x = 6,066,608.64