Finding the Third Proportional to 80,105,049 and 164,456,707.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,105,049 : 164,456,707.50 = 164,456,707.50 : x
2. Step 2: Convert to fraction form
   80,105,049/164,456,707.50 = 164,456,707.50/x
3. Step 3: Cross multiply
   80,105,049x = 164,456,707.50 × 164,456,707.50
4. Step 4: Simplify right side
   80,105,049x = 27,046,008,641,740,556
5. Step 5: Solve for x
   x = 27,046,008,641,740,556/80,105,049
6. Step 6: Final answer
   x = 337,631,759.54