Finding the Third Proportional to 5,158,111 and 10,734,868

Step by Step Solution

1. Step 1: Write the proportion equation
   5,158,111 : 10,734,868 = 10,734,868 : x
2. Step 2: Convert to fraction form
   5,158,111/10,734,868 = 10,734,868/x
3. Step 3: Cross multiply
   5,158,111x = 10,734,868 × 10,734,868
4. Step 4: Simplify right side
   5,158,111x = 115,237,390,977,424
5. Step 5: Solve for x
   x = 115,237,390,977,424/5,158,111
6. Step 6: Final answer
   x = 22,341,006.42