Finding the Third Proportional to 709,891 and 1,550,785

Step by Step Solution

1. Step 1: Write the proportion equation
   709,891 : 1,550,785 = 1,550,785 : x
2. Step 2: Convert to fraction form
   709,891/1,550,785 = 1,550,785/x
3. Step 3: Cross multiply
   709,891x = 1,550,785 × 1,550,785
4. Step 4: Simplify right side
   709,891x = 2,404,934,116,225
5. Step 5: Solve for x
   x = 2,404,934,116,225/709,891
6. Step 6: Final answer
   x = 3,387,751.24