Finding the Third Proportional to 678,723 and 1,462,350

Step by Step Solution

1. Step 1: Write the proportion equation
   678,723 : 1,462,350 = 1,462,350 : x
2. Step 2: Convert to fraction form
   678,723/1,462,350 = 1,462,350/x
3. Step 3: Cross multiply
   678,723x = 1,462,350 × 1,462,350
4. Step 4: Simplify right side
   678,723x = 2,138,467,522,500
5. Step 5: Solve for x
   x = 2,138,467,522,500/678,723
6. Step 6: Final answer
   x = 3,150,722.05