Finding the Third Proportional to 126,864 and 271,219.50

Step by Step Solution

1. Step 1: Write the proportion equation
   126,864 : 271,219.50 = 271,219.50 : x
2. Step 2: Convert to fraction form
   126,864/271,219.50 = 271,219.50/x
3. Step 3: Cross multiply
   126,864x = 271,219.50 × 271,219.50
4. Step 4: Simplify right side
   126,864x = 73,560,017,180.25
5. Step 5: Solve for x
   x = 73,560,017,180.25/126,864
6. Step 6: Final answer
   x = 579,833.66