Finding the Third Proportional to 2,113,803 and 4,631,589

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113,803 : 4,631,589 = 4,631,589 : x
2. Step 2: Convert to fraction form
   2,113,803/4,631,589 = 4,631,589/x
3. Step 3: Cross multiply
   2,113,803x = 4,631,589 × 4,631,589
4. Step 4: Simplify right side
   2,113,803x = 21,451,616,664,921
5. Step 5: Solve for x
   x = 21,451,616,664,921/2,113,803
6. Step 6: Final answer
   x = 10,148,351.89