Finding the Third Proportional to 143,262 and 323,460

Step by Step Solution

1. Step 1: Write the proportion equation
   143,262 : 323,460 = 323,460 : x
2. Step 2: Convert to fraction form
   143,262/323,460 = 323,460/x
3. Step 3: Cross multiply
   143,262x = 323,460 × 323,460
4. Step 4: Simplify right side
   143,262x = 104,626,371,600
5. Step 5: Solve for x
   x = 104,626,371,600/143,262
6. Step 6: Final answer
   x = 730,314.89