Finding the Third Proportional to 231,408 and 481,248

Step by Step Solution

1. Step 1: Write the proportion equation
   231,408 : 481,248 = 481,248 : x
2. Step 2: Convert to fraction form
   231,408/481,248 = 481,248/x
3. Step 3: Cross multiply
   231,408x = 481,248 × 481,248
4. Step 4: Simplify right side
   231,408x = 231,599,637,504
5. Step 5: Solve for x
   x = 231,599,637,504/231,408
6. Step 6: Final answer
   x = 1,000,828.14