Finding the Third Proportional to 654,384 and 1,384,218

Step by Step Solution

1. Step 1: Write the proportion equation
   654,384 : 1,384,218 = 1,384,218 : x
2. Step 2: Convert to fraction form
   654,384/1,384,218 = 1,384,218/x
3. Step 3: Cross multiply
   654,384x = 1,384,218 × 1,384,218
4. Step 4: Simplify right side
   654,384x = 1,916,059,471,524
5. Step 5: Solve for x
   x = 1,916,059,471,524/654,384
6. Step 6: Final answer
   x = 2,928,035.33