Finding the Third Proportional to 865,977 and 1,865,118

Step by Step Solution

1. Step 1: Write the proportion equation
   865,977 : 1,865,118 = 1,865,118 : x
2. Step 2: Convert to fraction form
   865,977/1,865,118 = 1,865,118/x
3. Step 3: Cross multiply
   865,977x = 1,865,118 × 1,865,118
4. Step 4: Simplify right side
   865,977x = 3,478,665,153,924
5. Step 5: Solve for x
   x = 3,478,665,153,924/865,977
6. Step 6: Final answer
   x = 4,017,041.05