Finding the Third Proportional to 3,682,657 and 7,877,031

Step by Step Solution

1. Step 1: Write the proportion equation
   3,682,657 : 7,877,031 = 7,877,031 : x
2. Step 2: Convert to fraction form
   3,682,657/7,877,031 = 7,877,031/x
3. Step 3: Cross multiply
   3,682,657x = 7,877,031 × 7,877,031
4. Step 4: Simplify right side
   3,682,657x = 62,047,617,374,961
5. Step 5: Solve for x
   x = 62,047,617,374,961/3,682,657
6. Step 6: Final answer
   x = 16,848,600.72