Finding the Third Proportional to 90,036 and 195,342

Step by Step Solution

1. Step 1: Write the proportion equation
   90,036 : 195,342 = 195,342 : x
2. Step 2: Convert to fraction form
   90,036/195,342 = 195,342/x
3. Step 3: Cross multiply
   90,036x = 195,342 × 195,342
4. Step 4: Simplify right side
   90,036x = 38,158,496,964
5. Step 5: Solve for x
   x = 38,158,496,964/90,036
6. Step 6: Final answer
   x = 423,813.77