Finding the Third Proportional to 1,380,848 and 1,865,616

Step by Step Solution

1. Step 1: Write the proportion equation
   1,380,848 : 1,865,616 = 1,865,616 : x
2. Step 2: Convert to fraction form
   1,380,848/1,865,616 = 1,865,616/x
3. Step 3: Cross multiply
   1,380,848x = 1,865,616 × 1,865,616
4. Step 4: Simplify right side
   1,380,848x = 3,480,523,059,456
5. Step 5: Solve for x
   x = 3,480,523,059,456/1,380,848
6. Step 6: Final answer
   x = 2,520,569.29