Finding the Third Proportional to 154,593 and 357,910.50

Step by Step Solution

1. Step 1: Write the proportion equation
   154,593 : 357,910.50 = 357,910.50 : x
2. Step 2: Convert to fraction form
   154,593/357,910.50 = 357,910.50/x
3. Step 3: Cross multiply
   154,593x = 357,910.50 × 357,910.50
4. Step 4: Simplify right side
   154,593x = 128,099,926,010.25
5. Step 5: Solve for x
   x = 128,099,926,010.25/154,593
6. Step 6: Final answer
   x = 828,626.95