Finding the Third Proportional to 1,355,349 and 1,987,756

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355,349 : 1,987,756 = 1,987,756 : x
2. Step 2: Convert to fraction form
   1,355,349/1,987,756 = 1,987,756/x
3. Step 3: Cross multiply
   1,355,349x = 1,987,756 × 1,987,756
4. Step 4: Simplify right side
   1,355,349x = 3,951,173,915,536
5. Step 5: Solve for x
   x = 3,951,173,915,536/1,355,349
6. Step 6: Final answer
   x = 2,915,244.65