Finding the Third Proportional to 3,907,877 and 8,235,658

Step by Step Solution

1. Step 1: Write the proportion equation
   3,907,877 : 8,235,658 = 8,235,658 : x
2. Step 2: Convert to fraction form
   3,907,877/8,235,658 = 8,235,658/x
3. Step 3: Cross multiply
   3,907,877x = 8,235,658 × 8,235,658
4. Step 4: Simplify right side
   3,907,877x = 67,826,062,692,964
5. Step 5: Solve for x
   x = 67,826,062,692,964/3,907,877
6. Step 6: Final answer
   x = 17,356,242.97