Finding the Third Proportional to 3,656,742 and 7,875,408

Step by Step Solution

1. Step 1: Write the proportion equation
   3,656,742 : 7,875,408 = 7,875,408 : x
2. Step 2: Convert to fraction form
   3,656,742/7,875,408 = 7,875,408/x
3. Step 3: Cross multiply
   3,656,742x = 7,875,408 × 7,875,408
4. Step 4: Simplify right side
   3,656,742x = 62,022,051,166,464
5. Step 5: Solve for x
   x = 62,022,051,166,464/3,656,742
6. Step 6: Final answer
   x = 16,961,013.70