Finding the Third Proportional to 90,146 and 130,568

Step by Step Solution

1. Step 1: Write the proportion equation
   90,146 : 130,568 = 130,568 : x
2. Step 2: Convert to fraction form
   90,146/130,568 = 130,568/x
3. Step 3: Cross multiply
   90,146x = 130,568 × 130,568
4. Step 4: Simplify right side
   90,146x = 17,048,002,624
5. Step 5: Solve for x
   x = 17,048,002,624/90,146
6. Step 6: Final answer
   x = 189,115.46