Finding the Third Proportional to 565,385 and 1,228,930

Step by Step Solution

1. Step 1: Write the proportion equation
   565,385 : 1,228,930 = 1,228,930 : x
2. Step 2: Convert to fraction form
   565,385/1,228,930 = 1,228,930/x
3. Step 3: Cross multiply
   565,385x = 1,228,930 × 1,228,930
4. Step 4: Simplify right side
   565,385x = 1,510,268,944,900
5. Step 5: Solve for x
   x = 1,510,268,944,900/565,385
6. Step 6: Final answer
   x = 2,671,222.17