Finding the Third Proportional to 90,543 and 133,040

Step by Step Solution

1. Step 1: Write the proportion equation
   90,543 : 133,040 = 133,040 : x
2. Step 2: Convert to fraction form
   90,543/133,040 = 133,040/x
3. Step 3: Cross multiply
   90,543x = 133,040 × 133,040
4. Step 4: Simplify right side
   90,543x = 17,699,641,600
5. Step 5: Solve for x
   x = 17,699,641,600/90,543
6. Step 6: Final answer
   x = 195,483.27