Finding the Third Proportional to 542,996 and 1,123,240

Step by Step Solution

1. Step 1: Write the proportion equation
   542,996 : 1,123,240 = 1,123,240 : x
2. Step 2: Convert to fraction form
   542,996/1,123,240 = 1,123,240/x
3. Step 3: Cross multiply
   542,996x = 1,123,240 × 1,123,240
4. Step 4: Simplify right side
   542,996x = 1,261,668,097,600
5. Step 5: Solve for x
   x = 1,261,668,097,600/542,996
6. Step 6: Final answer
   x = 2,323,531.11