Finding the Third Proportional to 6,387,315,657 and 13,978,733,925

Step by Step Solution

1. Step 1: Write the proportion equation
   6,387,315,657 : 13,978,733,925 = 13,978,733,925 : x
2. Step 2: Convert to fraction form
   6,387,315,657/13,978,733,925 = 13,978,733,925/x
3. Step 3: Cross multiply
   6,387,315,657x = 13,978,733,925 × 13,978,733,925
4. Step 4: Simplify right side
   6,387,315,657x = 195,405,002,145,945,911,296
5. Step 5: Solve for x
   x = 195,405,002,145,945,911,296/6,387,315,657
6. Step 6: Final answer
   x = 30,592,664,060.97