Finding the Third Proportional to 89,938 and 131,990

Step by Step Solution

1. Step 1: Write the proportion equation
   89,938 : 131,990 = 131,990 : x
2. Step 2: Convert to fraction form
   89,938/131,990 = 131,990/x
3. Step 3: Cross multiply
   89,938x = 131,990 × 131,990
4. Step 4: Simplify right side
   89,938x = 17,421,360,100
5. Step 5: Solve for x
   x = 17,421,360,100/89,938
6. Step 6: Final answer
   x = 193,704.11