Finding the Third Proportional to 152,366 and 323,160

Step by Step Solution

1. Step 1: Write the proportion equation
   152,366 : 323,160 = 323,160 : x
2. Step 2: Convert to fraction form
   152,366/323,160 = 323,160/x
3. Step 3: Cross multiply
   152,366x = 323,160 × 323,160
4. Step 4: Simplify right side
   152,366x = 104,432,385,600
5. Step 5: Solve for x
   x = 104,432,385,600/152,366
6. Step 6: Final answer
   x = 685,404.79