Finding the Third Proportional to 90,164.50 and 195,881

Step by Step Solution

1. Step 1: Write the proportion equation
   90,164.50 : 195,881 = 195,881 : x
2. Step 2: Convert to fraction form
   90,164.50/195,881 = 195,881/x
3. Step 3: Cross multiply
   90,164.50x = 195,881 × 195,881
4. Step 4: Simplify right side
   90,164.50x = 38,369,366,161
5. Step 5: Solve for x
   x = 38,369,366,161/90,164.50
6. Step 6: Final answer
   x = 425,548.48