Finding the Third Proportional to 3,883,450 and 8,513,396

Step by Step Solution

1. Step 1: Write the proportion equation
   3,883,450 : 8,513,396 = 8,513,396 : x
2. Step 2: Convert to fraction form
   3,883,450/8,513,396 = 8,513,396/x
3. Step 3: Cross multiply
   3,883,450x = 8,513,396 × 8,513,396
4. Step 4: Simplify right side
   3,883,450x = 72,477,911,452,816
5. Step 5: Solve for x
   x = 72,477,911,452,816/3,883,450
6. Step 6: Final answer
   x = 18,663,279.16