Finding the Third Proportional to 1,438,191 and 3,195,630

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,191 : 3,195,630 = 3,195,630 : x
2. Step 2: Convert to fraction form
   1,438,191/3,195,630 = 3,195,630/x
3. Step 3: Cross multiply
   1,438,191x = 3,195,630 × 3,195,630
4. Step 4: Simplify right side
   1,438,191x = 10,212,051,096,900
5. Step 5: Solve for x
   x = 10,212,051,096,900/1,438,191
6. Step 6: Final answer
   x = 7,100,622.31