Finding the Third Proportional to 623,110 and 1,355,570

Step by Step Solution

1. Step 1: Write the proportion equation
   623,110 : 1,355,570 = 1,355,570 : x
2. Step 2: Convert to fraction form
   623,110/1,355,570 = 1,355,570/x
3. Step 3: Cross multiply
   623,110x = 1,355,570 × 1,355,570
4. Step 4: Simplify right side
   623,110x = 1,837,570,024,900
5. Step 5: Solve for x
   x = 1,837,570,024,900/623,110
6. Step 6: Final answer
   x = 2,949,029.91