Finding the Third Proportional to 126,848.50 and 294,974

Step by Step Solution

1. Step 1: Write the proportion equation
   126,848.50 : 294,974 = 294,974 : x
2. Step 2: Convert to fraction form
   126,848.50/294,974 = 294,974/x
3. Step 3: Cross multiply
   126,848.50x = 294,974 × 294,974
4. Step 4: Simplify right side
   126,848.50x = 87,009,660,676
5. Step 5: Solve for x
   x = 87,009,660,676/126,848.50
6. Step 6: Final answer
   x = 685,933.70