Finding the Third Proportional to 565,389 and 1,228,938

Step by Step Solution

1. Step 1: Write the proportion equation
   565,389 : 1,228,938 = 1,228,938 : x
2. Step 2: Convert to fraction form
   565,389/1,228,938 = 1,228,938/x
3. Step 3: Cross multiply
   565,389x = 1,228,938 × 1,228,938
4. Step 4: Simplify right side
   565,389x = 1,510,288,607,844
5. Step 5: Solve for x
   x = 1,510,288,607,844/565,389
6. Step 6: Final answer
   x = 2,671,238.05