Finding the Third Proportional to 1,817,888 and 3,954,992

Step by Step Solution

1. Step 1: Write the proportion equation
   1,817,888 : 3,954,992 = 3,954,992 : x
2. Step 2: Convert to fraction form
   1,817,888/3,954,992 = 3,954,992/x
3. Step 3: Cross multiply
   1,817,888x = 3,954,992 × 3,954,992
4. Step 4: Simplify right side
   1,817,888x = 15,641,961,720,064
5. Step 5: Solve for x
   x = 15,641,961,720,064/1,817,888
6. Step 6: Final answer
   x = 8,604,469.43