Finding the Third Proportional to 709,888 and 1,550,780

Step by Step Solution

1. Step 1: Write the proportion equation
   709,888 : 1,550,780 = 1,550,780 : x
2. Step 2: Convert to fraction form
   709,888/1,550,780 = 1,550,780/x
3. Step 3: Cross multiply
   709,888x = 1,550,780 × 1,550,780
4. Step 4: Simplify right side
   709,888x = 2,404,918,608,400
5. Step 5: Solve for x
   x = 2,404,918,608,400/709,888
6. Step 6: Final answer
   x = 3,387,743.71