Finding the Third Proportional to 1,617,768 and 2,537,586

Step by Step Solution

1. Step 1: Write the proportion equation
   1,617,768 : 2,537,586 = 2,537,586 : x
2. Step 2: Convert to fraction form
   1,617,768/2,537,586 = 2,537,586/x
3. Step 3: Cross multiply
   1,617,768x = 2,537,586 × 2,537,586
4. Step 4: Simplify right side
   1,617,768x = 6,439,342,707,396
5. Step 5: Solve for x
   x = 6,439,342,707,396/1,617,768
6. Step 6: Final answer
   x = 3,980,386.99