Finding the Third Proportional to 3,316,638 and 7,193,144

Step by Step Solution

1. Step 1: Write the proportion equation
   3,316,638 : 7,193,144 = 7,193,144 : x
2. Step 2: Convert to fraction form
   3,316,638/7,193,144 = 7,193,144/x
3. Step 3: Cross multiply
   3,316,638x = 7,193,144 × 7,193,144
4. Step 4: Simplify right side
   3,316,638x = 51,741,320,604,736
5. Step 5: Solve for x
   x = 51,741,320,604,736/3,316,638
6. Step 6: Final answer
   x = 15,600,533.01