Finding the Third Proportional to 152,290 and 327,260

Step by Step Solution

1. Step 1: Write the proportion equation
   152,290 : 327,260 = 327,260 : x
2. Step 2: Convert to fraction form
   152,290/327,260 = 327,260/x
3. Step 3: Cross multiply
   152,290x = 327,260 × 327,260
4. Step 4: Simplify right side
   152,290x = 107,099,107,600
5. Step 5: Solve for x
   x = 107,099,107,600/152,290
6. Step 6: Final answer
   x = 703,257.65