Finding the Third Proportional to 1,118,018 and 1,580,475

Step by Step Solution

1. Step 1: Write the proportion equation
   1,118,018 : 1,580,475 = 1,580,475 : x
2. Step 2: Convert to fraction form
   1,118,018/1,580,475 = 1,580,475/x
3. Step 3: Cross multiply
   1,118,018x = 1,580,475 × 1,580,475
4. Step 4: Simplify right side
   1,118,018x = 2,497,901,225,625
5. Step 5: Solve for x
   x = 2,497,901,225,625/1,118,018
6. Step 6: Final answer
   x = 2,234,222.73