Finding the Third Proportional to 2,113,780 and 4,631,546

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113,780 : 4,631,546 = 4,631,546 : x
2. Step 2: Convert to fraction form
   2,113,780/4,631,546 = 4,631,546/x
3. Step 3: Cross multiply
   2,113,780x = 4,631,546 × 4,631,546
4. Step 4: Simplify right side
   2,113,780x = 21,451,218,350,116
5. Step 5: Solve for x
   x = 21,451,218,350,116/2,113,780
6. Step 6: Final answer
   x = 10,148,273.87