Finding the Third Proportional to 548,448 and 1,222,928

Step by Step Solution

1. Step 1: Write the proportion equation
   548,448 : 1,222,928 = 1,222,928 : x
2. Step 2: Convert to fraction form
   548,448/1,222,928 = 1,222,928/x
3. Step 3: Cross multiply
   548,448x = 1,222,928 × 1,222,928
4. Step 4: Simplify right side
   548,448x = 1,495,552,893,184
5. Step 5: Solve for x
   x = 1,495,552,893,184/548,448
6. Step 6: Final answer
   x = 2,726,881.84