Finding the Third Proportional to 1,985,919 and 4,242,940

Step by Step Solution

1. Step 1: Write the proportion equation
   1,985,919 : 4,242,940 = 4,242,940 : x
2. Step 2: Convert to fraction form
   1,985,919/4,242,940 = 4,242,940/x
3. Step 3: Cross multiply
   1,985,919x = 4,242,940 × 4,242,940
4. Step 4: Simplify right side
   1,985,919x = 18,002,539,843,600
5. Step 5: Solve for x
   x = 18,002,539,843,600/1,985,919
6. Step 6: Final answer
   x = 9,065,092.71