Finding the Third Proportional to 154,629.50 and 335,498.50

Step by Step Solution

1. Step 1: Write the proportion equation
   154,629.50 : 335,498.50 = 335,498.50 : x
2. Step 2: Convert to fraction form
   154,629.50/335,498.50 = 335,498.50/x
3. Step 3: Cross multiply
   154,629.50x = 335,498.50 × 335,498.50
4. Step 4: Simplify right side
   154,629.50x = 112,559,243,502.25
5. Step 5: Solve for x
   x = 112,559,243,502.25/154,629.50
6. Step 6: Final answer
   x = 727,928.65