Finding the Third Proportional to 90,364 and 197,960

Step by Step Solution

1. Step 1: Write the proportion equation
   90,364 : 197,960 = 197,960 : x
2. Step 2: Convert to fraction form
   90,364/197,960 = 197,960/x
3. Step 3: Cross multiply
   90,364x = 197,960 × 197,960
4. Step 4: Simplify right side
   90,364x = 39,188,161,600
5. Step 5: Solve for x
   x = 39,188,161,600/90,364
6. Step 6: Final answer
   x = 433,670.06