Finding the Third Proportional to 623,118 and 1,355,586

Step by Step Solution

1. Step 1: Write the proportion equation
   623,118 : 1,355,586 = 1,355,586 : x
2. Step 2: Convert to fraction form
   623,118/1,355,586 = 1,355,586/x
3. Step 3: Cross multiply
   623,118x = 1,355,586 × 1,355,586
4. Step 4: Simplify right side
   623,118x = 1,837,613,403,396
5. Step 5: Solve for x
   x = 1,837,613,403,396/623,118
6. Step 6: Final answer
   x = 2,949,061.66