Finding the Third Proportional to 1,155,558 and 2,576,658

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155,558 : 2,576,658 = 2,576,658 : x
2. Step 2: Convert to fraction form
   1,155,558/2,576,658 = 2,576,658/x
3. Step 3: Cross multiply
   1,155,558x = 2,576,658 × 2,576,658
4. Step 4: Simplify right side
   1,155,558x = 6,639,166,448,964
5. Step 5: Solve for x
   x = 6,639,166,448,964/1,155,558
6. Step 6: Final answer
   x = 5,745,420.35