Finding the Third Proportional to 3,880,940 and 8,164,036

Step by Step Solution

1. Step 1: Write the proportion equation
   3,880,940 : 8,164,036 = 8,164,036 : x
2. Step 2: Convert to fraction form
   3,880,940/8,164,036 = 8,164,036/x
3. Step 3: Cross multiply
   3,880,940x = 8,164,036 × 8,164,036
4. Step 4: Simplify right side
   3,880,940x = 66,651,483,809,296
5. Step 5: Solve for x
   x = 66,651,483,809,296/3,880,940
6. Step 6: Final answer
   x = 17,174,056.75