Finding the Third Proportional to 3,421,181.81 and 7,407,019.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,421,181.81 : 7,407,019.69 = 7,407,019.69 : x
2. Step 2: Convert to fraction form
   3,421,181.81/7,407,019.69 = 7,407,019.69/x
3. Step 3: Cross multiply
   3,421,181.81x = 7,407,019.69 × 7,407,019.69
4. Step 4: Simplify right side
   3,421,181.81x = 54,863,940,651,012.59
5. Step 5: Solve for x
   x = 54,863,940,651,012.59/3,421,181.81
6. Step 6: Final answer
   x = 16,036,546.33