Finding the Third Proportional to 585,222 and 1,257,740

Step by Step Solution

1. Step 1: Write the proportion equation
   585,222 : 1,257,740 = 1,257,740 : x
2. Step 2: Convert to fraction form
   585,222/1,257,740 = 1,257,740/x
3. Step 3: Cross multiply
   585,222x = 1,257,740 × 1,257,740
4. Step 4: Simplify right side
   585,222x = 1,581,909,907,600
5. Step 5: Solve for x
   x = 1,581,909,907,600/585,222
6. Step 6: Final answer
   x = 2,703,093.71