Finding the Third Proportional to 79,326 and 130,680

Step by Step Solution

1. Step 1: Write the proportion equation
   79,326 : 130,680 = 130,680 : x
2. Step 2: Convert to fraction form
   79,326/130,680 = 130,680/x
3. Step 3: Cross multiply
   79,326x = 130,680 × 130,680
4. Step 4: Simplify right side
   79,326x = 17,077,262,400
5. Step 5: Solve for x
   x = 17,077,262,400/79,326
6. Step 6: Final answer
   x = 215,279.51