Finding the Third Proportional to 7,398,899,158 and 10,690,131,573

Step by Step Solution

1. Step 1: Write the proportion equation
   7,398,899,158 : 10,690,131,573 = 10,690,131,573 : x
2. Step 2: Convert to fraction form
   7,398,899,158/10,690,131,573 = 10,690,131,573/x
3. Step 3: Cross multiply
   7,398,899,158x = 10,690,131,573 × 10,690,131,573
4. Step 4: Simplify right side
   7,398,899,158x = 114,278,913,048,051,449,856
5. Step 5: Solve for x
   x = 114,278,913,048,051,449,856/7,398,899,158
6. Step 6: Final answer
   x = 15,445,394,052.23