Finding the Third Proportional to 3,196,402 and 7,022,658

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196,402 : 7,022,658 = 7,022,658 : x
2. Step 2: Convert to fraction form
   3,196,402/7,022,658 = 7,022,658/x
3. Step 3: Cross multiply
   3,196,402x = 7,022,658 × 7,022,658
4. Step 4: Simplify right side
   3,196,402x = 49,317,725,384,964
5. Step 5: Solve for x
   x = 49,317,725,384,964/3,196,402
6. Step 6: Final answer
   x = 15,429,137.32