Finding the Third Proportional to 690,519,013.50 and 1,479,531,759.50

Step by Step Solution

1. Step 1: Write the proportion equation
   690,519,013.50 : 1,479,531,759.50 = 1,479,531,759.50 : x
2. Step 2: Convert to fraction form
   690,519,013.50/1,479,531,759.50 = 1,479,531,759.50/x
3. Step 3: Cross multiply
   690,519,013.50x = 1,479,531,759.50 × 1,479,531,759.50
4. Step 4: Simplify right side
   690,519,013.50x = 2,189,014,227,369,165,824
5. Step 5: Solve for x
   x = 2,189,014,227,369,165,824/690,519,013.50
6. Step 6: Final answer
   x = 3,170,099,859.05