Finding the Third Proportional to 1,315,821 and 2,735,066

Step by Step Solution

1. Step 1: Write the proportion equation
   1,315,821 : 2,735,066 = 2,735,066 : x
2. Step 2: Convert to fraction form
   1,315,821/2,735,066 = 2,735,066/x
3. Step 3: Cross multiply
   1,315,821x = 2,735,066 × 2,735,066
4. Step 4: Simplify right side
   1,315,821x = 7,480,586,024,356
5. Step 5: Solve for x
   x = 7,480,586,024,356/1,315,821
6. Step 6: Final answer
   x = 5,685,109.16