Finding the Third Proportional to 195,210 and 426,222

Step by Step Solution

1. Step 1: Write the proportion equation
   195,210 : 426,222 = 426,222 : x
2. Step 2: Convert to fraction form
   195,210/426,222 = 426,222/x
3. Step 3: Cross multiply
   195,210x = 426,222 × 426,222
4. Step 4: Simplify right side
   195,210x = 181,665,193,284
5. Step 5: Solve for x
   x = 181,665,193,284/195,210
6. Step 6: Final answer
   x = 930,614.18