Finding the Third Proportional to 72,195 and 158,340

Step by Step Solution

1. Step 1: Write the proportion equation
   72,195 : 158,340 = 158,340 : x
2. Step 2: Convert to fraction form
   72,195/158,340 = 158,340/x
3. Step 3: Cross multiply
   72,195x = 158,340 × 158,340
4. Step 4: Simplify right side
   72,195x = 25,071,555,600
5. Step 5: Solve for x
   x = 25,071,555,600/72,195
6. Step 6: Final answer
   x = 347,275.51