Finding the Third Proportional to 267,431.50 and 587,354

Step by Step Solution

1. Step 1: Write the proportion equation
   267,431.50 : 587,354 = 587,354 : x
2. Step 2: Convert to fraction form
   267,431.50/587,354 = 587,354/x
3. Step 3: Cross multiply
   267,431.50x = 587,354 × 587,354
4. Step 4: Simplify right side
   267,431.50x = 344,984,721,316
5. Step 5: Solve for x
   x = 344,984,721,316/267,431.50
6. Step 6: Final answer
   x = 1,289,992.84