Finding the Third Proportional to 552,864 and 1,205,772

Step by Step Solution

1. Step 1: Write the proportion equation
   552,864 : 1,205,772 = 1,205,772 : x
2. Step 2: Convert to fraction form
   552,864/1,205,772 = 1,205,772/x
3. Step 3: Cross multiply
   552,864x = 1,205,772 × 1,205,772
4. Step 4: Simplify right side
   552,864x = 1,453,886,115,984
5. Step 5: Solve for x
   x = 1,453,886,115,984/552,864
6. Step 6: Final answer
   x = 2,629,735.55