Finding the Third Proportional to 149,880.38 and 321,995.25

Step by Step Solution

1. Step 1: Write the proportion equation
   149,880.38 : 321,995.25 = 321,995.25 : x
2. Step 2: Convert to fraction form
   149,880.38/321,995.25 = 321,995.25/x
3. Step 3: Cross multiply
   149,880.38x = 321,995.25 × 321,995.25
4. Step 4: Simplify right side
   149,880.38x = 103,680,941,022.56
5. Step 5: Solve for x
   x = 103,680,941,022.56/149,880.38
6. Step 6: Final answer
   x = 691,757.95