Finding the Third Proportional to 107,245 and 211,794.50

Step by Step Solution

1. Step 1: Write the proportion equation
   107,245 : 211,794.50 = 211,794.50 : x
2. Step 2: Convert to fraction form
   107,245/211,794.50 = 211,794.50/x
3. Step 3: Cross multiply
   107,245x = 211,794.50 × 211,794.50
4. Step 4: Simplify right side
   107,245x = 44,856,910,230.25
5. Step 5: Solve for x
   x = 44,856,910,230.25/107,245
6. Step 6: Final answer
   x = 418,265.75