Finding the Third Proportional to 152,650 and 328,628

Step by Step Solution

1. Step 1: Write the proportion equation
   152,650 : 328,628 = 328,628 : x
2. Step 2: Convert to fraction form
   152,650/328,628 = 328,628/x
3. Step 3: Cross multiply
   152,650x = 328,628 × 328,628
4. Step 4: Simplify right side
   152,650x = 107,996,362,384
5. Step 5: Solve for x
   x = 107,996,362,384/152,650
6. Step 6: Final answer
   x = 707,476.99