Finding the Third Proportional to 126,619.50 and 295,812

Step by Step Solution

1. Step 1: Write the proportion equation
   126,619.50 : 295,812 = 295,812 : x
2. Step 2: Convert to fraction form
   126,619.50/295,812 = 295,812/x
3. Step 3: Cross multiply
   126,619.50x = 295,812 × 295,812
4. Step 4: Simplify right side
   126,619.50x = 87,504,739,344
5. Step 5: Solve for x
   x = 87,504,739,344/126,619.50
6. Step 6: Final answer
   x = 691,084.23