Finding the Third Proportional to 3,728,607 and 8,168,628

Step by Step Solution

1. Step 1: Write the proportion equation
   3,728,607 : 8,168,628 = 8,168,628 : x
2. Step 2: Convert to fraction form
   3,728,607/8,168,628 = 8,168,628/x
3. Step 3: Cross multiply
   3,728,607x = 8,168,628 × 8,168,628
4. Step 4: Simplify right side
   3,728,607x = 66,726,483,402,384
5. Step 5: Solve for x
   x = 66,726,483,402,384/3,728,607
6. Step 6: Final answer
   x = 17,895,820.99