Finding the Third Proportional to 3,658,869 and 5,357,083

Step by Step Solution

1. Step 1: Write the proportion equation
   3,658,869 : 5,357,083 = 5,357,083 : x
2. Step 2: Convert to fraction form
   3,658,869/5,357,083 = 5,357,083/x
3. Step 3: Cross multiply
   3,658,869x = 5,357,083 × 5,357,083
4. Step 4: Simplify right side
   3,658,869x = 28,698,338,268,889
5. Step 5: Solve for x
   x = 28,698,338,268,889/3,658,869
6. Step 6: Final answer
   x = 7,843,499.80