Finding the Third Proportional to 21,522,743,103 and 30,295,557,772

Step by Step Solution

1. Step 1: Write the proportion equation
   21,522,743,103 : 30,295,557,772 = 30,295,557,772 : x
2. Step 2: Convert to fraction form
   21,522,743,103/30,295,557,772 = 30,295,557,772/x
3. Step 3: Cross multiply
   21,522,743,103x = 30,295,557,772 × 30,295,557,772
4. Step 4: Simplify right side
   21,522,743,103x = 917,820,820,716,589,547,520
5. Step 5: Solve for x
   x = 917,820,820,716,589,547,520/21,522,743,103
6. Step 6: Final answer
   x = 42,644,230,631.95