Finding the Third Proportional to 4,885,488 and 7,182,270

Step by Step Solution

1. Step 1: Write the proportion equation
   4,885,488 : 7,182,270 = 7,182,270 : x
2. Step 2: Convert to fraction form
   4,885,488/7,182,270 = 7,182,270/x
3. Step 3: Cross multiply
   4,885,488x = 7,182,270 × 7,182,270
4. Step 4: Simplify right side
   4,885,488x = 51,585,002,352,900
5. Step 5: Solve for x
   x = 51,585,002,352,900/4,885,488
6. Step 6: Final answer
   x = 10,558,822.86