Finding the Third Proportional to 680,620 and 1,481,256

Step by Step Solution

1. Step 1: Write the proportion equation
   680,620 : 1,481,256 = 1,481,256 : x
2. Step 2: Convert to fraction form
   680,620/1,481,256 = 1,481,256/x
3. Step 3: Cross multiply
   680,620x = 1,481,256 × 1,481,256
4. Step 4: Simplify right side
   680,620x = 2,194,119,337,536
5. Step 5: Solve for x
   x = 2,194,119,337,536/680,620
6. Step 6: Final answer
   x = 3,223,706.82