Finding the Third Proportional to 152,214 and 328,559.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,214 : 328,559.50 = 328,559.50 : x
2. Step 2: Convert to fraction form
   152,214/328,559.50 = 328,559.50/x
3. Step 3: Cross multiply
   152,214x = 328,559.50 × 328,559.50
4. Step 4: Simplify right side
   152,214x = 107,951,345,040.25
5. Step 5: Solve for x
   x = 107,951,345,040.25/152,214
6. Step 6: Final answer
   x = 709,207.73