Finding the Third Proportional to 3,671,118 and 7,873,668

Step by Step Solution

1. Step 1: Write the proportion equation
   3,671,118 : 7,873,668 = 7,873,668 : x
2. Step 2: Convert to fraction form
   3,671,118/7,873,668 = 7,873,668/x
3. Step 3: Cross multiply
   3,671,118x = 7,873,668 × 7,873,668
4. Step 4: Simplify right side
   3,671,118x = 61,994,647,774,224
5. Step 5: Solve for x
   x = 61,994,647,774,224/3,671,118
6. Step 6: Final answer
   x = 16,887,130.24