Finding the Third Proportional to 90,573 and 133,089

Step by Step Solution

1. Step 1: Write the proportion equation
   90,573 : 133,089 = 133,089 : x
2. Step 2: Convert to fraction form
   90,573/133,089 = 133,089/x
3. Step 3: Cross multiply
   90,573x = 133,089 × 133,089
4. Step 4: Simplify right side
   90,573x = 17,712,681,921
5. Step 5: Solve for x
   x = 17,712,681,921/90,573
6. Step 6: Final answer
   x = 195,562.50