Finding the Third Proportional to 3,883,448 and 8,513,392

Step by Step Solution

1. Step 1: Write the proportion equation
   3,883,448 : 8,513,392 = 8,513,392 : x
2. Step 2: Convert to fraction form
   3,883,448/8,513,392 = 8,513,392/x
3. Step 3: Cross multiply
   3,883,448x = 8,513,392 × 8,513,392
4. Step 4: Simplify right side
   3,883,448x = 72,477,843,345,664
5. Step 5: Solve for x
   x = 72,477,843,345,664/3,883,448
6. Step 6: Final answer
   x = 18,663,271.23