Finding the Third Proportional to 137,551.50 and 301,345.50

Step by Step Solution

1. Step 1: Write the proportion equation
   137,551.50 : 301,345.50 = 301,345.50 : x
2. Step 2: Convert to fraction form
   137,551.50/301,345.50 = 301,345.50/x
3. Step 3: Cross multiply
   137,551.50x = 301,345.50 × 301,345.50
4. Step 4: Simplify right side
   137,551.50x = 90,809,110,370.25
5. Step 5: Solve for x
   x = 90,809,110,370.25/137,551.50
6. Step 6: Final answer
   x = 660,182.63