Finding the Third Proportional to 90,260 and 195,828.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,260 : 195,828.50 = 195,828.50 : x
2. Step 2: Convert to fraction form
   90,260/195,828.50 = 195,828.50/x
3. Step 3: Cross multiply
   90,260x = 195,828.50 × 195,828.50
4. Step 4: Simplify right side
   90,260x = 38,348,801,412.25
5. Step 5: Solve for x
   x = 38,348,801,412.25/90,260
6. Step 6: Final answer
   x = 424,870.39