Finding the Third Proportional to 678,805 and 1,002,364

Step by Step Solution

1. Step 1: Write the proportion equation
   678,805 : 1,002,364 = 1,002,364 : x
2. Step 2: Convert to fraction form
   678,805/1,002,364 = 1,002,364/x
3. Step 3: Cross multiply
   678,805x = 1,002,364 × 1,002,364
4. Step 4: Simplify right side
   678,805x = 1,004,733,588,496
5. Step 5: Solve for x
   x = 1,004,733,588,496/678,805
6. Step 6: Final answer
   x = 1,480,150.54