Finding the Third Proportional to 3,937,005 and 8,188,290

Step by Step Solution

1. Step 1: Write the proportion equation
   3,937,005 : 8,188,290 = 8,188,290 : x
2. Step 2: Convert to fraction form
   3,937,005/8,188,290 = 8,188,290/x
3. Step 3: Cross multiply
   3,937,005x = 8,188,290 × 8,188,290
4. Step 4: Simplify right side
   3,937,005x = 67,048,093,124,100
5. Step 5: Solve for x
   x = 67,048,093,124,100/3,937,005
6. Step 6: Final answer
   x = 17,030,228.09