Finding the Third Proportional to 1,380,822 and 1,865,577

Step by Step Solution

1. Step 1: Write the proportion equation
   1,380,822 : 1,865,577 = 1,865,577 : x
2. Step 2: Convert to fraction form
   1,380,822/1,865,577 = 1,865,577/x
3. Step 3: Cross multiply
   1,380,822x = 1,865,577 × 1,865,577
4. Step 4: Simplify right side
   1,380,822x = 3,480,377,542,929
5. Step 5: Solve for x
   x = 3,480,377,542,929/1,380,822
6. Step 6: Final answer
   x = 2,520,511.36