Finding the Third Proportional to 164,036,448 and 349,275,456

Step by Step Solution

1. Step 1: Write the proportion equation
   164,036,448 : 349,275,456 = 349,275,456 : x
2. Step 2: Convert to fraction form
   164,036,448/349,275,456 = 349,275,456/x
3. Step 3: Cross multiply
   164,036,448x = 349,275,456 × 349,275,456
4. Step 4: Simplify right side
   164,036,448x = 121,993,344,164,007,936
5. Step 5: Solve for x
   x = 121,993,344,164,007,936/164,036,448
6. Step 6: Final answer
   x = 743,696,572.63