Finding the Third Proportional to 155,256.75 and 335,410.88

Step by Step Solution

1. Step 1: Write the proportion equation
   155,256.75 : 335,410.88 = 335,410.88 : x
2. Step 2: Convert to fraction form
   155,256.75/335,410.88 = 335,410.88/x
3. Step 3: Cross multiply
   155,256.75x = 335,410.88 × 335,410.88
4. Step 4: Simplify right side
   155,256.75x = 112,500,455,068.27
5. Step 5: Solve for x
   x = 112,500,455,068.27/155,256.75
6. Step 6: Final answer
   x = 724,609.11