Finding the Third Proportional to 348,099,970 and 522,150,018

Step by Step Solution

1. Step 1: Write the proportion equation
   348,099,970 : 522,150,018 = 522,150,018 : x
2. Step 2: Convert to fraction form
   348,099,970/522,150,018 = 522,150,018/x
3. Step 3: Cross multiply
   348,099,970x = 522,150,018 × 522,150,018
4. Step 4: Simplify right side
   348,099,970x = 272,640,641,297,400,320
5. Step 5: Solve for x
   x = 272,640,641,297,400,320/348,099,970
6. Step 6: Final answer
   x = 783,225,121.50