Finding the Third Proportional to 740,866 and 1,147,907

Step by Step Solution

1. Step 1: Write the proportion equation
   740,866 : 1,147,907 = 1,147,907 : x
2. Step 2: Convert to fraction form
   740,866/1,147,907 = 1,147,907/x
3. Step 3: Cross multiply
   740,866x = 1,147,907 × 1,147,907
4. Step 4: Simplify right side
   740,866x = 1,317,690,480,649
5. Step 5: Solve for x
   x = 1,317,690,480,649/740,866
6. Step 6: Final answer
   x = 1,778,581.39