Finding the Third Proportional to 90,178 and 195,908

Step by Step Solution

1. Step 1: Write the proportion equation
   90,178 : 195,908 = 195,908 : x
2. Step 2: Convert to fraction form
   90,178/195,908 = 195,908/x
3. Step 3: Cross multiply
   90,178x = 195,908 × 195,908
4. Step 4: Simplify right side
   90,178x = 38,379,944,464
5. Step 5: Solve for x
   x = 38,379,944,464/90,178
6. Step 6: Final answer
   x = 425,602.08