Finding the Third Proportional to 262,402 and 562,131

Step by Step Solution

1. Step 1: Write the proportion equation
   262,402 : 562,131 = 562,131 : x
2. Step 2: Convert to fraction form
   262,402/562,131 = 562,131/x
3. Step 3: Cross multiply
   262,402x = 562,131 × 562,131
4. Step 4: Simplify right side
   262,402x = 315,991,261,161
5. Step 5: Solve for x
   x = 315,991,261,161/262,402
6. Step 6: Final answer
   x = 1,204,225.81