Finding the Third Proportional to 3,198,414 and 7,550,346

Step by Step Solution

1. Step 1: Write the proportion equation
   3,198,414 : 7,550,346 = 7,550,346 : x
2. Step 2: Convert to fraction form
   3,198,414/7,550,346 = 7,550,346/x
3. Step 3: Cross multiply
   3,198,414x = 7,550,346 × 7,550,346
4. Step 4: Simplify right side
   3,198,414x = 57,007,724,719,716
5. Step 5: Solve for x
   x = 57,007,724,719,716/3,198,414
6. Step 6: Final answer
   x = 17,823,747.87