Finding the Third Proportional to 722,724 and 1,556,443

Step by Step Solution

1. Step 1: Write the proportion equation
   722,724 : 1,556,443 = 1,556,443 : x
2. Step 2: Convert to fraction form
   722,724/1,556,443 = 1,556,443/x
3. Step 3: Cross multiply
   722,724x = 1,556,443 × 1,556,443
4. Step 4: Simplify right side
   722,724x = 2,422,514,812,249
5. Step 5: Solve for x
   x = 2,422,514,812,249/722,724
6. Step 6: Final answer
   x = 3,351,922.47