Finding the Third Proportional to 3,767,488 and 8,138,400

Step by Step Solution

1. Step 1: Write the proportion equation
   3,767,488 : 8,138,400 = 8,138,400 : x
2. Step 2: Convert to fraction form
   3,767,488/8,138,400 = 8,138,400/x
3. Step 3: Cross multiply
   3,767,488x = 8,138,400 × 8,138,400
4. Step 4: Simplify right side
   3,767,488x = 66,233,554,560,000
5. Step 5: Solve for x
   x = 66,233,554,560,000/3,767,488
6. Step 6: Final answer
   x = 17,580,296.09