Finding the Third Proportional to 2,578,791,276,054 and 5,519,841,436,980

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578,791,276,054 : 5,519,841,436,980 = 5,519,841,436,980 : x
2. Step 2: Convert to fraction form
   2,578,791,276,054/5,519,841,436,980 = 5,519,841,436,980/x
3. Step 3: Cross multiply
   2,578,791,276,054x = 5,519,841,436,980 × 5,519,841,436,980
4. Step 4: Simplify right side
   2,578,791,276,054x = 30,468,649,489,401,429,283,045,376
5. Step 5: Solve for x
   x = 30,468,649,489,401,429,283,045,376/2,578,791,276,054
6. Step 6: Final answer
   x = 11,815,089,407,322.55