Finding the Third Proportional to 3,910,302 and 8,178,122

Step by Step Solution

1. Step 1: Write the proportion equation
   3,910,302 : 8,178,122 = 8,178,122 : x
2. Step 2: Convert to fraction form
   3,910,302/8,178,122 = 8,178,122/x
3. Step 3: Cross multiply
   3,910,302x = 8,178,122 × 8,178,122
4. Step 4: Simplify right side
   3,910,302x = 66,881,679,446,884
5. Step 5: Solve for x
   x = 66,881,679,446,884/3,910,302
6. Step 6: Final answer
   x = 17,103,967.79