Finding the Third Proportional to 874,118 and 1,869,790

Step by Step Solution

1. Step 1: Write the proportion equation
   874,118 : 1,869,790 = 1,869,790 : x
2. Step 2: Convert to fraction form
   874,118/1,869,790 = 1,869,790/x
3. Step 3: Cross multiply
   874,118x = 1,869,790 × 1,869,790
4. Step 4: Simplify right side
   874,118x = 3,496,114,644,100
5. Step 5: Solve for x
   x = 3,496,114,644,100/874,118
6. Step 6: Final answer
   x = 3,999,591.18