Finding the Third Proportional to 190,656 and 443,259

Step by Step Solution

1. Step 1: Write the proportion equation
   190,656 : 443,259 = 443,259 : x
2. Step 2: Convert to fraction form
   190,656/443,259 = 443,259/x
3. Step 3: Cross multiply
   190,656x = 443,259 × 443,259
4. Step 4: Simplify right side
   190,656x = 196,478,541,081
5. Step 5: Solve for x
   x = 196,478,541,081/190,656
6. Step 6: Final answer
   x = 1,030,539.51