Finding the Third Proportional to 647,726,479.50 and 1,410,459,999

Step by Step Solution

1. Step 1: Write the proportion equation
   647,726,479.50 : 1,410,459,999 = 1,410,459,999 : x
2. Step 2: Convert to fraction form
   647,726,479.50/1,410,459,999 = 1,410,459,999/x
3. Step 3: Cross multiply
   647,726,479.50x = 1,410,459,999 × 1,410,459,999
4. Step 4: Simplify right side
   647,726,479.50x = 1,989,397,408,779,079,936
5. Step 5: Solve for x
   x = 1,989,397,408,779,079,936/647,726,479.50
6. Step 6: Final answer
   x = 3,071,354,146.76