Finding the Third Proportional to 7,173,690 and 10,658,906

Step by Step Solution

1. Step 1: Write the proportion equation
   7,173,690 : 10,658,906 = 10,658,906 : x
2. Step 2: Convert to fraction form
   7,173,690/10,658,906 = 10,658,906/x
3. Step 3: Cross multiply
   7,173,690x = 10,658,906 × 10,658,906
4. Step 4: Simplify right side
   7,173,690x = 113,612,277,116,836
5. Step 5: Solve for x
   x = 113,612,277,116,836/7,173,690
6. Step 6: Final answer
   x = 15,837,355.27