Finding the Third Proportional to 231,528 and 491,478

Step by Step Solution

1. Step 1: Write the proportion equation
   231,528 : 491,478 = 491,478 : x
2. Step 2: Convert to fraction form
   231,528/491,478 = 491,478/x
3. Step 3: Cross multiply
   231,528x = 491,478 × 491,478
4. Step 4: Simplify right side
   231,528x = 241,550,624,484
5. Step 5: Solve for x
   x = 241,550,624,484/231,528
6. Step 6: Final answer
   x = 1,043,289.04