Finding the Third Proportional to 190,426.50 and 279,747

Step by Step Solution

1. Step 1: Write the proportion equation
   190,426.50 : 279,747 = 279,747 : x
2. Step 2: Convert to fraction form
   190,426.50/279,747 = 279,747/x
3. Step 3: Cross multiply
   190,426.50x = 279,747 × 279,747
4. Step 4: Simplify right side
   190,426.50x = 78,258,384,009
5. Step 5: Solve for x
   x = 78,258,384,009/190,426.50
6. Step 6: Final answer
   x = 410,963.73