Finding the Third Proportional to 3,413,182 and 7,312,142

Step by Step Solution

1. Step 1: Write the proportion equation
   3,413,182 : 7,312,142 = 7,312,142 : x
2. Step 2: Convert to fraction form
   3,413,182/7,312,142 = 7,312,142/x
3. Step 3: Cross multiply
   3,413,182x = 7,312,142 × 7,312,142
4. Step 4: Simplify right side
   3,413,182x = 53,467,420,628,164
5. Step 5: Solve for x
   x = 53,467,420,628,164/3,413,182
6. Step 6: Final answer
   x = 15,664,977.91