Finding the Third Proportional to 195,920.44 and 400,141.69

Step by Step Solution

1. Step 1: Write the proportion equation
   195,920.44 : 400,141.69 = 400,141.69 : x
2. Step 2: Convert to fraction form
   195,920.44/400,141.69 = 400,141.69/x
3. Step 3: Cross multiply
   195,920.44x = 400,141.69 × 400,141.69
4. Step 4: Simplify right side
   195,920.44x = 160,113,370,075.35
5. Step 5: Solve for x
   x = 160,113,370,075.35/195,920.44
6. Step 6: Final answer
   x = 817,236.69