Finding the Third Proportional to 90,238.50 and 195,543

Step by Step Solution

1. Step 1: Write the proportion equation
   90,238.50 : 195,543 = 195,543 : x
2. Step 2: Convert to fraction form
   90,238.50/195,543 = 195,543/x
3. Step 3: Cross multiply
   90,238.50x = 195,543 × 195,543
4. Step 4: Simplify right side
   90,238.50x = 38,237,064,849
5. Step 5: Solve for x
   x = 38,237,064,849/90,238.50
6. Step 6: Final answer
   x = 423,733.38