Finding the Third Proportional to 709,398 and 1,556,766

Step by Step Solution

1. Step 1: Write the proportion equation
   709,398 : 1,556,766 = 1,556,766 : x
2. Step 2: Convert to fraction form
   709,398/1,556,766 = 1,556,766/x
3. Step 3: Cross multiply
   709,398x = 1,556,766 × 1,556,766
4. Step 4: Simplify right side
   709,398x = 2,423,520,378,756
5. Step 5: Solve for x
   x = 2,423,520,378,756/709,398
6. Step 6: Final answer
   x = 3,416,305.63