Finding the Third Proportional to 4,831,640 and 10,419,846

Step by Step Solution

1. Step 1: Write the proportion equation
   4,831,640 : 10,419,846 = 10,419,846 : x
2. Step 2: Convert to fraction form
   4,831,640/10,419,846 = 10,419,846/x
3. Step 3: Cross multiply
   4,831,640x = 10,419,846 × 10,419,846
4. Step 4: Simplify right side
   4,831,640x = 108,573,190,663,716
5. Step 5: Solve for x
   x = 108,573,190,663,716/4,831,640
6. Step 6: Final answer
   x = 22,471,291.46