Finding the Third Proportional to 238,606 and 514,574

Step by Step Solution

1. Step 1: Write the proportion equation
   238,606 : 514,574 = 514,574 : x
2. Step 2: Convert to fraction form
   238,606/514,574 = 514,574/x
3. Step 3: Cross multiply
   238,606x = 514,574 × 514,574
4. Step 4: Simplify right side
   238,606x = 264,786,401,476
5. Step 5: Solve for x
   x = 264,786,401,476/238,606
6. Step 6: Final answer
   x = 1,109,722.31