Finding the Third Proportional to 137,335.50 and 300,856.50

Step by Step Solution

1. Step 1: Write the proportion equation
   137,335.50 : 300,856.50 = 300,856.50 : x
2. Step 2: Convert to fraction form
   137,335.50/300,856.50 = 300,856.50/x
3. Step 3: Cross multiply
   137,335.50x = 300,856.50 × 300,856.50
4. Step 4: Simplify right side
   137,335.50x = 90,514,633,592.25
5. Step 5: Solve for x
   x = 90,514,633,592.25/137,335.50
6. Step 6: Final answer
   x = 659,076.74