Finding the Third Proportional to 152,961 and 328,066.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,961 : 328,066.50 = 328,066.50 : x
2. Step 2: Convert to fraction form
   152,961/328,066.50 = 328,066.50/x
3. Step 3: Cross multiply
   152,961x = 328,066.50 × 328,066.50
4. Step 4: Simplify right side
   152,961x = 107,627,628,422.25
5. Step 5: Solve for x
   x = 107,627,628,422.25/152,961
6. Step 6: Final answer
   x = 703,627.91