Finding the Third Proportional to 126,256 and 276,265.50

Step by Step Solution

1. Step 1: Write the proportion equation
   126,256 : 276,265.50 = 276,265.50 : x
2. Step 2: Convert to fraction form
   126,256/276,265.50 = 276,265.50/x
3. Step 3: Cross multiply
   126,256x = 276,265.50 × 276,265.50
4. Step 4: Simplify right side
   126,256x = 76,322,626,490.25
5. Step 5: Solve for x
   x = 76,322,626,490.25/126,256
6. Step 6: Final answer
   x = 604,506.93