Finding the Third Proportional to 7,139,576 and 10,410,258

Step by Step Solution

1. Step 1: Write the proportion equation
   7,139,576 : 10,410,258 = 10,410,258 : x
2. Step 2: Convert to fraction form
   7,139,576/10,410,258 = 10,410,258/x
3. Step 3: Cross multiply
   7,139,576x = 10,410,258 × 10,410,258
4. Step 4: Simplify right side
   7,139,576x = 108,373,471,626,564
5. Step 5: Solve for x
   x = 108,373,471,626,564/7,139,576
6. Step 6: Final answer
   x = 15,179,258.77