Finding the Third Proportional to 863,448 and 1,853,760

Step by Step Solution

1. Step 1: Write the proportion equation
   863,448 : 1,853,760 = 1,853,760 : x
2. Step 2: Convert to fraction form
   863,448/1,853,760 = 1,853,760/x
3. Step 3: Cross multiply
   863,448x = 1,853,760 × 1,853,760
4. Step 4: Simplify right side
   863,448x = 3,436,426,137,600
5. Step 5: Solve for x
   x = 3,436,426,137,600/863,448
6. Step 6: Final answer
   x = 3,979,887.77