Finding the Third Proportional to 152,748 and 328,068

Step by Step Solution

1. Step 1: Write the proportion equation
   152,748 : 328,068 = 328,068 : x
2. Step 2: Convert to fraction form
   152,748/328,068 = 328,068/x
3. Step 3: Cross multiply
   152,748x = 328,068 × 328,068
4. Step 4: Simplify right side
   152,748x = 107,628,612,624
5. Step 5: Solve for x
   x = 107,628,612,624/152,748
6. Step 6: Final answer
   x = 704,615.53