Finding the Third Proportional to 548,472 and 1,222,980

Step by Step Solution

1. Step 1: Write the proportion equation
   548,472 : 1,222,980 = 1,222,980 : x
2. Step 2: Convert to fraction form
   548,472/1,222,980 = 1,222,980/x
3. Step 3: Cross multiply
   548,472x = 1,222,980 × 1,222,980
4. Step 4: Simplify right side
   548,472x = 1,495,680,080,400
5. Step 5: Solve for x
   x = 1,495,680,080,400/548,472
6. Step 6: Final answer
   x = 2,726,994.41