Finding the Third Proportional to 546,658 and 1,200,938

Step by Step Solution

1. Step 1: Write the proportion equation
   546,658 : 1,200,938 = 1,200,938 : x
2. Step 2: Convert to fraction form
   546,658/1,200,938 = 1,200,938/x
3. Step 3: Cross multiply
   546,658x = 1,200,938 × 1,200,938
4. Step 4: Simplify right side
   546,658x = 1,442,252,079,844
5. Step 5: Solve for x
   x = 1,442,252,079,844/546,658
6. Step 6: Final answer
   x = 2,638,307.83