Finding the Third Proportional to 680,742 and 1,480,860

Step by Step Solution

1. Step 1: Write the proportion equation
   680,742 : 1,480,860 = 1,480,860 : x
2. Step 2: Convert to fraction form
   680,742/1,480,860 = 1,480,860/x
3. Step 3: Cross multiply
   680,742x = 1,480,860 × 1,480,860
4. Step 4: Simplify right side
   680,742x = 2,192,946,339,600
5. Step 5: Solve for x
   x = 2,192,946,339,600/680,742
6. Step 6: Final answer
   x = 3,221,405.97