Finding the Third Proportional to 3,810,042 and 5,431,284

Step by Step Solution

1. Step 1: Write the proportion equation
   3,810,042 : 5,431,284 = 5,431,284 : x
2. Step 2: Convert to fraction form
   3,810,042/5,431,284 = 5,431,284/x
3. Step 3: Cross multiply
   3,810,042x = 5,431,284 × 5,431,284
4. Step 4: Simplify right side
   3,810,042x = 29,498,845,888,656
5. Step 5: Solve for x
   x = 29,498,845,888,656/3,810,042
6. Step 6: Final answer
   x = 7,742,393.89