Finding the Third Proportional to 152,969 and 328,081

Step by Step Solution

1. Step 1: Write the proportion equation
   152,969 : 328,081 = 328,081 : x
2. Step 2: Convert to fraction form
   152,969/328,081 = 328,081/x
3. Step 3: Cross multiply
   152,969x = 328,081 × 328,081
4. Step 4: Simplify right side
   152,969x = 107,637,142,561
5. Step 5: Solve for x
   x = 107,637,142,561/152,969
6. Step 6: Final answer
   x = 703,653.31