Finding the Third Proportional to 3,883,270 and 8,448,316

Step by Step Solution

1. Step 1: Write the proportion equation
   3,883,270 : 8,448,316 = 8,448,316 : x
2. Step 2: Convert to fraction form
   3,883,270/8,448,316 = 8,448,316/x
3. Step 3: Cross multiply
   3,883,270x = 8,448,316 × 8,448,316
4. Step 4: Simplify right side
   3,883,270x = 71,374,043,235,856
5. Step 5: Solve for x
   x = 71,374,043,235,856/3,883,270
6. Step 6: Final answer
   x = 18,379,881.71