Finding the Third Proportional to 543,424 and 1,191,824

Step by Step Solution

1. Step 1: Write the proportion equation
   543,424 : 1,191,824 = 1,191,824 : x
2. Step 2: Convert to fraction form
   543,424/1,191,824 = 1,191,824/x
3. Step 3: Cross multiply
   543,424x = 1,191,824 × 1,191,824
4. Step 4: Simplify right side
   543,424x = 1,420,444,446,976
5. Step 5: Solve for x
   x = 1,420,444,446,976/543,424
6. Step 6: Final answer
   x = 2,613,878.75