Finding the Third Proportional to 89,074 and 130,690

Step by Step Solution

1. Step 1: Write the proportion equation
   89,074 : 130,690 = 130,690 : x
2. Step 2: Convert to fraction form
   89,074/130,690 = 130,690/x
3. Step 3: Cross multiply
   89,074x = 130,690 × 130,690
4. Step 4: Simplify right side
   89,074x = 17,079,876,100
5. Step 5: Solve for x
   x = 17,079,876,100/89,074
6. Step 6: Final answer
   x = 191,749.29