Finding the Third Proportional to 90,429 and 195,924

Step by Step Solution

1. Step 1: Write the proportion equation
   90,429 : 195,924 = 195,924 : x
2. Step 2: Convert to fraction form
   90,429/195,924 = 195,924/x
3. Step 3: Cross multiply
   90,429x = 195,924 × 195,924
4. Step 4: Simplify right side
   90,429x = 38,386,213,776
5. Step 5: Solve for x
   x = 38,386,213,776/90,429
6. Step 6: Final answer
   x = 424,490.08