Finding the Third Proportional to 179,661.25 and 391,196.50

Step by Step Solution

1. Step 1: Write the proportion equation
   179,661.25 : 391,196.50 = 391,196.50 : x
2. Step 2: Convert to fraction form
   179,661.25/391,196.50 = 391,196.50/x
3. Step 3: Cross multiply
   179,661.25x = 391,196.50 × 391,196.50
4. Step 4: Simplify right side
   179,661.25x = 153,034,701,612.25
5. Step 5: Solve for x
   x = 153,034,701,612.25/179,661.25
6. Step 6: Final answer
   x = 851,795.82