Finding the Third Proportional to 543,408 and 1,191,792

Step by Step Solution

1. Step 1: Write the proportion equation
   543,408 : 1,191,792 = 1,191,792 : x
2. Step 2: Convert to fraction form
   543,408/1,191,792 = 1,191,792/x
3. Step 3: Cross multiply
   543,408x = 1,191,792 × 1,191,792
4. Step 4: Simplify right side
   543,408x = 1,420,368,171,264
5. Step 5: Solve for x
   x = 1,420,368,171,264/543,408
6. Step 6: Final answer
   x = 2,613,815.35