Finding the Third Proportional to 164,448 and 352,222

Step by Step Solution

1. Step 1: Write the proportion equation
   164,448 : 352,222 = 352,222 : x
2. Step 2: Convert to fraction form
   164,448/352,222 = 352,222/x
3. Step 3: Cross multiply
   164,448x = 352,222 × 352,222
4. Step 4: Simplify right side
   164,448x = 124,060,337,284
5. Step 5: Solve for x
   x = 124,060,337,284/164,448
6. Step 6: Final answer
   x = 754,404.66