Finding the Third Proportional to 89,076 and 136,974

Step by Step Solution

1. Step 1: Write the proportion equation
   89,076 : 136,974 = 136,974 : x
2. Step 2: Convert to fraction form
   89,076/136,974 = 136,974/x
3. Step 3: Cross multiply
   89,076x = 136,974 × 136,974
4. Step 4: Simplify right side
   89,076x = 18,761,876,676
5. Step 5: Solve for x
   x = 18,761,876,676/89,076
6. Step 6: Final answer
   x = 210,627.74