Finding the Third Proportional to 1,367,724 and 2,145,479

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367,724 : 2,145,479 = 2,145,479 : x
2. Step 2: Convert to fraction form
   1,367,724/2,145,479 = 2,145,479/x
3. Step 3: Cross multiply
   1,367,724x = 2,145,479 × 2,145,479
4. Step 4: Simplify right side
   1,367,724x = 4,603,080,139,441
5. Step 5: Solve for x
   x = 4,603,080,139,441/1,367,724
6. Step 6: Final answer
   x = 3,365,503.67