Finding the Third Proportional to 177,351.75 and 389,196

Step by Step Solution

1. Step 1: Write the proportion equation
   177,351.75 : 389,196 = 389,196 : x
2. Step 2: Convert to fraction form
   177,351.75/389,196 = 389,196/x
3. Step 3: Cross multiply
   177,351.75x = 389,196 × 389,196
4. Step 4: Simplify right side
   177,351.75x = 151,473,526,416
5. Step 5: Solve for x
   x = 151,473,526,416/177,351.75
6. Step 6: Final answer
   x = 854,085.32