Finding the Third Proportional to 3,411,438 and 7,354,290

Step by Step Solution

1. Step 1: Write the proportion equation
   3,411,438 : 7,354,290 = 7,354,290 : x
2. Step 2: Convert to fraction form
   3,411,438/7,354,290 = 7,354,290/x
3. Step 3: Cross multiply
   3,411,438x = 7,354,290 × 7,354,290
4. Step 4: Simplify right side
   3,411,438x = 54,085,581,404,100
5. Step 5: Solve for x
   x = 54,085,581,404,100/3,411,438
6. Step 6: Final answer
   x = 15,854,188.59