Finding the Third Proportional to 190,536 and 426,180

Step by Step Solution

1. Step 1: Write the proportion equation
   190,536 : 426,180 = 426,180 : x
2. Step 2: Convert to fraction form
   190,536/426,180 = 426,180/x
3. Step 3: Cross multiply
   190,536x = 426,180 × 426,180
4. Step 4: Simplify right side
   190,536x = 181,629,392,400
5. Step 5: Solve for x
   x = 181,629,392,400/190,536
6. Step 6: Final answer
   x = 953,254.99