Finding the Third Proportional to 1,355,760 and 2,891,664

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355,760 : 2,891,664 = 2,891,664 : x
2. Step 2: Convert to fraction form
   1,355,760/2,891,664 = 2,891,664/x
3. Step 3: Cross multiply
   1,355,760x = 2,891,664 × 2,891,664
4. Step 4: Simplify right side
   1,355,760x = 8,361,720,688,896
5. Step 5: Solve for x
   x = 8,361,720,688,896/1,355,760
6. Step 6: Final answer
   x = 6,167,552.29