Finding the Third Proportional to 231,284 and 264,499

Step by Step Solution

1. Step 1: Write the proportion equation
   231,284 : 264,499 = 264,499 : x
2. Step 2: Convert to fraction form
   231,284/264,499 = 264,499/x
3. Step 3: Cross multiply
   231,284x = 264,499 × 264,499
4. Step 4: Simplify right side
   231,284x = 69,959,721,001
5. Step 5: Solve for x
   x = 69,959,721,001/231,284
6. Step 6: Final answer
   x = 302,484.05