Finding the Third Proportional to 231,682 and 507,648

Step by Step Solution

1. Step 1: Write the proportion equation
   231,682 : 507,648 = 507,648 : x
2. Step 2: Convert to fraction form
   231,682/507,648 = 507,648/x
3. Step 3: Cross multiply
   231,682x = 507,648 × 507,648
4. Step 4: Simplify right side
   231,682x = 257,706,491,904
5. Step 5: Solve for x
   x = 257,706,491,904/231,682
6. Step 6: Final answer
   x = 1,112,328.50