Finding the Third Proportional to 3,907,508 and 8,331,144

Step by Step Solution

1. Step 1: Write the proportion equation
   3,907,508 : 8,331,144 = 8,331,144 : x
2. Step 2: Convert to fraction form
   3,907,508/8,331,144 = 8,331,144/x
3. Step 3: Cross multiply
   3,907,508x = 8,331,144 × 8,331,144
4. Step 4: Simplify right side
   3,907,508x = 69,407,960,348,736
5. Step 5: Solve for x
   x = 69,407,960,348,736/3,907,508
6. Step 6: Final answer
   x = 17,762,717.40