Finding the Third Proportional to 1,257,244 and 2,713,640

Step by Step Solution

1. Step 1: Write the proportion equation
   1,257,244 : 2,713,640 = 2,713,640 : x
2. Step 2: Convert to fraction form
   1,257,244/2,713,640 = 2,713,640/x
3. Step 3: Cross multiply
   1,257,244x = 2,713,640 × 2,713,640
4. Step 4: Simplify right side
   1,257,244x = 7,363,842,049,600
5. Step 5: Solve for x
   x = 7,363,842,049,600/1,257,244
6. Step 6: Final answer
   x = 5,857,130.40