Finding the Third Proportional to 2,573,807 and 5,489,605

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573,807 : 5,489,605 = 5,489,605 : x
2. Step 2: Convert to fraction form
   2,573,807/5,489,605 = 5,489,605/x
3. Step 3: Cross multiply
   2,573,807x = 5,489,605 × 5,489,605
4. Step 4: Simplify right side
   2,573,807x = 30,135,763,056,025
5. Step 5: Solve for x
   x = 30,135,763,056,025/2,573,807
6. Step 6: Final answer
   x = 11,708,633.58