Finding the Third Proportional to 2,570,315 and 5,583,730

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570,315 : 5,583,730 = 5,583,730 : x
2. Step 2: Convert to fraction form
   2,570,315/5,583,730 = 5,583,730/x
3. Step 3: Cross multiply
   2,570,315x = 5,583,730 × 5,583,730
4. Step 4: Simplify right side
   2,570,315x = 31,178,040,712,900
5. Step 5: Solve for x
   x = 31,178,040,712,900/2,570,315
6. Step 6: Final answer
   x = 12,130,046.59