Finding the Third Proportional to 149,568.19 and 328,196.81

Step by Step Solution

1. Step 1: Write the proportion equation
   149,568.19 : 328,196.81 = 328,196.81 : x
2. Step 2: Convert to fraction form
   149,568.19/328,196.81 = 328,196.81/x
3. Step 3: Cross multiply
   149,568.19x = 328,196.81 × 328,196.81
4. Step 4: Simplify right side
   149,568.19x = 107,713,147,735.16
5. Step 5: Solve for x
   x = 107,713,147,735.16/149,568.19
6. Step 6: Final answer
   x = 720,160.81