Finding the Third Proportional to 1,212,224 and 2,549,728

Step by Step Solution

1. Step 1: Write the proportion equation
   1,212,224 : 2,549,728 = 2,549,728 : x
2. Step 2: Convert to fraction form
   1,212,224/2,549,728 = 2,549,728/x
3. Step 3: Cross multiply
   1,212,224x = 2,549,728 × 2,549,728
4. Step 4: Simplify right side
   1,212,224x = 6,501,112,873,984
5. Step 5: Solve for x
   x = 6,501,112,873,984/1,212,224
6. Step 6: Final answer
   x = 5,362,963.34