Finding the Third Proportional to 90,783 and 130,959

Step by Step Solution

1. Step 1: Write the proportion equation
   90,783 : 130,959 = 130,959 : x
2. Step 2: Convert to fraction form
   90,783/130,959 = 130,959/x
3. Step 3: Cross multiply
   90,783x = 130,959 × 130,959
4. Step 4: Simplify right side
   90,783x = 17,150,259,681
5. Step 5: Solve for x
   x = 17,150,259,681/90,783
6. Step 6: Final answer
   x = 188,914.88