Finding the Third Proportional to 90,327.94 and 196,741.69

Step by Step Solution

1. Step 1: Write the proportion equation
   90,327.94 : 196,741.69 = 196,741.69 : x
2. Step 2: Convert to fraction form
   90,327.94/196,741.69 = 196,741.69/x
3. Step 3: Cross multiply
   90,327.94x = 196,741.69 × 196,741.69
4. Step 4: Simplify right side
   90,327.94x = 38,707,291,600.35
5. Step 5: Solve for x
   x = 38,707,291,600.35/90,327.94
6. Step 6: Final answer
   x = 428,519.60