Finding the Third Proportional to 667,018,980 and 1,448,861,499

Step by Step Solution

1. Step 1: Write the proportion equation
   667,018,980 : 1,448,861,499 = 1,448,861,499 : x
2. Step 2: Convert to fraction form
   667,018,980/1,448,861,499 = 1,448,861,499/x
3. Step 3: Cross multiply
   667,018,980x = 1,448,861,499 × 1,448,861,499
4. Step 4: Simplify right side
   667,018,980x = 2,099,199,643,284,527,104
5. Step 5: Solve for x
   x = 2,099,199,643,284,527,104/667,018,980
6. Step 6: Final answer
   x = 3,147,136,297.81