Finding the Third Proportional to 678,769 and 1,002,310

Step by Step Solution

1. Step 1: Write the proportion equation
   678,769 : 1,002,310 = 1,002,310 : x
2. Step 2: Convert to fraction form
   678,769/1,002,310 = 1,002,310/x
3. Step 3: Cross multiply
   678,769x = 1,002,310 × 1,002,310
4. Step 4: Simplify right side
   678,769x = 1,004,625,336,100
5. Step 5: Solve for x
   x = 1,004,625,336,100/678,769
6. Step 6: Final answer
   x = 1,480,069.56