Finding the Third Proportional to 152,706 and 328,825.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,706 : 328,825.50 = 328,825.50 : x
2. Step 2: Convert to fraction form
   152,706/328,825.50 = 328,825.50/x
3. Step 3: Cross multiply
   152,706x = 328,825.50 × 328,825.50
4. Step 4: Simplify right side
   152,706x = 108,126,209,450.25
5. Step 5: Solve for x
   x = 108,126,209,450.25/152,706
6. Step 6: Final answer
   x = 708,067.85