Finding the Third Proportional to 2,190,100 and 4,682,780

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190,100 : 4,682,780 = 4,682,780 : x
2. Step 2: Convert to fraction form
   2,190,100/4,682,780 = 4,682,780/x
3. Step 3: Cross multiply
   2,190,100x = 4,682,780 × 4,682,780
4. Step 4: Simplify right side
   2,190,100x = 21,928,428,528,400
5. Step 5: Solve for x
   x = 21,928,428,528,400/2,190,100
6. Step 6: Final answer
   x = 10,012,523.87