Finding the Third Proportional to 1,016,615 and 2,117,503

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,615 : 2,117,503 = 2,117,503 : x
2. Step 2: Convert to fraction form
   1,016,615/2,117,503 = 2,117,503/x
3. Step 3: Cross multiply
   1,016,615x = 2,117,503 × 2,117,503
4. Step 4: Simplify right side
   1,016,615x = 4,483,818,955,009
5. Step 5: Solve for x
   x = 4,483,818,955,009/1,016,615
6. Step 6: Final answer
   x = 4,410,537.87