Finding the Third Proportional to 50,969,418,669 and 70,868,902,570.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,969,418,669 : 70,868,902,570.50 = 70,868,902,570.50 : x
2. Step 2: Convert to fraction form
   50,969,418,669/70,868,902,570.50 = 70,868,902,570.50/x
3. Step 3: Cross multiply
   50,969,418,669x = 70,868,902,570.50 × 70,868,902,570.50
4. Step 4: Simplify right side
   50,969,418,669x = 5,022,401,351,547,021,688,832
5. Step 5: Solve for x
   x = 5,022,401,351,547,021,688,832/50,969,418,669
6. Step 6: Final answer
   x = 98,537,544,329.53