Finding the Third Proportional to 4,997,767,789,280 and 10,136,061,434,578

Step by Step Solution

1. Step 1: Write the proportion equation
   4,997,767,789,280 : 10,136,061,434,578 = 10,136,061,434,578 : x
2. Step 2: Convert to fraction form
   4,997,767,789,280/10,136,061,434,578 = 10,136,061,434,578/x
3. Step 3: Cross multiply
   4,997,767,789,280x = 10,136,061,434,578 × 10,136,061,434,578
4. Step 4: Simplify right side
   4,997,767,789,280x = 102,739,741,405,539,422,116,511,744
5. Step 5: Solve for x
   x = 102,739,741,405,539,422,116,511,744/4,997,767,789,280
6. Step 6: Final answer
   x = 20,557,125,848,446.14