Finding the Third Proportional to 3,196,400 and 7,022,654

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196,400 : 7,022,654 = 7,022,654 : x
2. Step 2: Convert to fraction form
   3,196,400/7,022,654 = 7,022,654/x
3. Step 3: Cross multiply
   3,196,400x = 7,022,654 × 7,022,654
4. Step 4: Simplify right side
   3,196,400x = 49,317,669,203,716
5. Step 5: Solve for x
   x = 49,317,669,203,716/3,196,400
6. Step 6: Final answer
   x = 15,429,129.40