Finding the Third Proportional to 709,340 and 1,556,486

Step by Step Solution

1. Step 1: Write the proportion equation
   709,340 : 1,556,486 = 1,556,486 : x
2. Step 2: Convert to fraction form
   709,340/1,556,486 = 1,556,486/x
3. Step 3: Cross multiply
   709,340x = 1,556,486 × 1,556,486
4. Step 4: Simplify right side
   709,340x = 2,422,648,668,196
5. Step 5: Solve for x
   x = 2,422,648,668,196/709,340
6. Step 6: Final answer
   x = 3,415,356.06