Finding the Third Proportional to 90,437 and 195,940

Step by Step Solution

1. Step 1: Write the proportion equation
   90,437 : 195,940 = 195,940 : x
2. Step 2: Convert to fraction form
   90,437/195,940 = 195,940/x
3. Step 3: Cross multiply
   90,437x = 195,940 × 195,940
4. Step 4: Simplify right side
   90,437x = 38,392,483,600
5. Step 5: Solve for x
   x = 38,392,483,600/90,437
6. Step 6: Final answer
   x = 424,521.86