Finding the Third Proportional to 5,117,172 and 10,596,648

Step by Step Solution

1. Step 1: Write the proportion equation
   5,117,172 : 10,596,648 = 10,596,648 : x
2. Step 2: Convert to fraction form
   5,117,172/10,596,648 = 10,596,648/x
3. Step 3: Cross multiply
   5,117,172x = 10,596,648 × 10,596,648
4. Step 4: Simplify right side
   5,117,172x = 112,288,948,835,904
5. Step 5: Solve for x
   x = 112,288,948,835,904/5,117,172
6. Step 6: Final answer
   x = 21,943,555.71