Finding the Third Proportional to 80,105,172 and 164,456,928

Step by Step Solution

1. Step 1: Write the proportion equation
   80,105,172 : 164,456,928 = 164,456,928 : x
2. Step 2: Convert to fraction form
   80,105,172/164,456,928 = 164,456,928/x
3. Step 3: Cross multiply
   80,105,172x = 164,456,928 × 164,456,928
4. Step 4: Simplify right side
   80,105,172x = 27,046,081,167,197,184
5. Step 5: Solve for x
   x = 27,046,081,167,197,184/80,105,172
6. Step 6: Final answer
   x = 337,632,146.49