Finding the Third Proportional to 324,514,731 and 765,289,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   324,514,731 : 765,289,105.50 = 765,289,105.50 : x
2. Step 2: Convert to fraction form
   324,514,731/765,289,105.50 = 765,289,105.50/x
3. Step 3: Cross multiply
   324,514,731x = 765,289,105.50 × 765,289,105.50
4. Step 4: Simplify right side
   324,514,731x = 585,667,414,996,990,080
5. Step 5: Solve for x
   x = 585,667,414,996,990,080/324,514,731
6. Step 6: Final answer
   x = 1,804,748,318.18