Finding the Third Proportional to 753,770 and 1,640,388

Step by Step Solution

1. Step 1: Write the proportion equation
   753,770 : 1,640,388 = 1,640,388 : x
2. Step 2: Convert to fraction form
   753,770/1,640,388 = 1,640,388/x
3. Step 3: Cross multiply
   753,770x = 1,640,388 × 1,640,388
4. Step 4: Simplify right side
   753,770x = 2,690,872,790,544
5. Step 5: Solve for x
   x = 2,690,872,790,544/753,770
6. Step 6: Final answer
   x = 3,569,885.76