Finding the Third Proportional to 197,505 and 418,540.50

Step by Step Solution

1. Step 1: Write the proportion equation
   197,505 : 418,540.50 = 418,540.50 : x
2. Step 2: Convert to fraction form
   197,505/418,540.50 = 418,540.50/x
3. Step 3: Cross multiply
   197,505x = 418,540.50 × 418,540.50
4. Step 4: Simplify right side
   197,505x = 175,176,150,140.25
5. Step 5: Solve for x
   x = 175,176,150,140.25/197,505
6. Step 6: Final answer
   x = 886,945.39