Finding the Third Proportional to 152,961.75 and 328,066.25

Step by Step Solution

1. Step 1: Write the proportion equation
   152,961.75 : 328,066.25 = 328,066.25 : x
2. Step 2: Convert to fraction form
   152,961.75/328,066.25 = 328,066.25/x
3. Step 3: Cross multiply
   152,961.75x = 328,066.25 × 328,066.25
4. Step 4: Simplify right side
   152,961.75x = 107,627,464,389.06
5. Step 5: Solve for x
   x = 107,627,464,389.06/152,961.75
6. Step 6: Final answer
   x = 703,623.39