Finding the Third Proportional to 1,215,036 and 2,507,832

Step by Step Solution

1. Step 1: Write the proportion equation
   1,215,036 : 2,507,832 = 2,507,832 : x
2. Step 2: Convert to fraction form
   1,215,036/2,507,832 = 2,507,832/x
3. Step 3: Cross multiply
   1,215,036x = 2,507,832 × 2,507,832
4. Step 4: Simplify right side
   1,215,036x = 6,289,221,340,224
5. Step 5: Solve for x
   x = 6,289,221,340,224/1,215,036
6. Step 6: Final answer
   x = 5,176,160.49