Finding the Third Proportional to 6,387,315,663 and 13,978,733,937

Step by Step Solution

1. Step 1: Write the proportion equation
   6,387,315,663 : 13,978,733,937 = 13,978,733,937 : x
2. Step 2: Convert to fraction form
   6,387,315,663/13,978,733,937 = 13,978,733,937/x
3. Step 3: Cross multiply
   6,387,315,663x = 13,978,733,937 × 13,978,733,937
4. Step 4: Simplify right side
   6,387,315,663x = 195,405,002,481,435,508,736
5. Step 5: Solve for x
   x = 195,405,002,481,435,508,736/6,387,315,663
6. Step 6: Final answer
   x = 30,592,664,084.75