Finding the Third Proportional to 548,454 and 1,222,940

Step by Step Solution

1. Step 1: Write the proportion equation
   548,454 : 1,222,940 = 1,222,940 : x
2. Step 2: Convert to fraction form
   548,454/1,222,940 = 1,222,940/x
3. Step 3: Cross multiply
   548,454x = 1,222,940 × 1,222,940
4. Step 4: Simplify right side
   548,454x = 1,495,582,243,600
5. Step 5: Solve for x
   x = 1,495,582,243,600/548,454
6. Step 6: Final answer
   x = 2,726,905.53