Finding the Third Proportional to 300,090 and 655,944

Step by Step Solution

1. Step 1: Write the proportion equation
   300,090 : 655,944 = 655,944 : x
2. Step 2: Convert to fraction form
   300,090/655,944 = 655,944/x
3. Step 3: Cross multiply
   300,090x = 655,944 × 655,944
4. Step 4: Simplify right side
   300,090x = 430,262,531,136
5. Step 5: Solve for x
   x = 430,262,531,136/300,090
6. Step 6: Final answer
   x = 1,433,778.30