Finding the Third Proportional to 2,486,366,048,397 and 5,410,550,355,978

Step by Step Solution

1. Step 1: Write the proportion equation
   2,486,366,048,397 : 5,410,550,355,978 = 5,410,550,355,978 : x
2. Step 2: Convert to fraction form
   2,486,366,048,397/5,410,550,355,978 = 5,410,550,355,978/x
3. Step 3: Cross multiply
   2,486,366,048,397x = 5,410,550,355,978 × 5,410,550,355,978
4. Step 4: Simplify right side
   2,486,366,048,397x = 29,274,055,154,573,663,310,708,736
5. Step 5: Solve for x
   x = 29,274,055,154,573,663,310,708,736/2,486,366,048,397
6. Step 6: Final answer
   x = 11,773,831,601,926.48