Finding the Third Proportional to 90,810 and 192,435

Step by Step Solution

1. Step 1: Write the proportion equation
   90,810 : 192,435 = 192,435 : x
2. Step 2: Convert to fraction form
   90,810/192,435 = 192,435/x
3. Step 3: Cross multiply
   90,810x = 192,435 × 192,435
4. Step 4: Simplify right side
   90,810x = 37,031,229,225
5. Step 5: Solve for x
   x = 37,031,229,225/90,810
6. Step 6: Final answer
   x = 407,788.01