Finding the Third Proportional to 623,114 and 1,355,578

Step by Step Solution

1. Step 1: Write the proportion equation
   623,114 : 1,355,578 = 1,355,578 : x
2. Step 2: Convert to fraction form
   623,114/1,355,578 = 1,355,578/x
3. Step 3: Cross multiply
   623,114x = 1,355,578 × 1,355,578
4. Step 4: Simplify right side
   623,114x = 1,837,591,714,084
5. Step 5: Solve for x
   x = 1,837,591,714,084/623,114
6. Step 6: Final answer
   x = 2,949,045.78