Finding the Third Proportional to 988,987 and 2,117,942

Step by Step Solution

1. Step 1: Write the proportion equation
   988,987 : 2,117,942 = 2,117,942 : x
2. Step 2: Convert to fraction form
   988,987/2,117,942 = 2,117,942/x
3. Step 3: Cross multiply
   988,987x = 2,117,942 × 2,117,942
4. Step 4: Simplify right side
   988,987x = 4,485,678,315,364
5. Step 5: Solve for x
   x = 4,485,678,315,364/988,987
6. Step 6: Final answer
   x = 4,535,629.20