Finding the Third Proportional to 1,987,020 and 3,151,539

Step by Step Solution

1. Step 1: Write the proportion equation
   1,987,020 : 3,151,539 = 3,151,539 : x
2. Step 2: Convert to fraction form
   1,987,020/3,151,539 = 3,151,539/x
3. Step 3: Cross multiply
   1,987,020x = 3,151,539 × 3,151,539
4. Step 4: Simplify right side
   1,987,020x = 9,932,198,068,521
5. Step 5: Solve for x
   x = 9,932,198,068,521/1,987,020
6. Step 6: Final answer
   x = 4,998,539.56