Finding the Third Proportional to 5,351,864 and 7,629,174

Step by Step Solution

1. Step 1: Write the proportion equation
   5,351,864 : 7,629,174 = 7,629,174 : x
2. Step 2: Convert to fraction form
   5,351,864/7,629,174 = 7,629,174/x
3. Step 3: Cross multiply
   5,351,864x = 7,629,174 × 7,629,174
4. Step 4: Simplify right side
   5,351,864x = 58,204,295,922,276
5. Step 5: Solve for x
   x = 58,204,295,922,276/5,351,864
6. Step 6: Final answer
   x = 10,875,518.50