Finding the Third Proportional to 2,472,821 and 5,272,270

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472,821 : 5,272,270 = 5,272,270 : x
2. Step 2: Convert to fraction form
   2,472,821/5,272,270 = 5,272,270/x
3. Step 3: Cross multiply
   2,472,821x = 5,272,270 × 5,272,270
4. Step 4: Simplify right side
   2,472,821x = 27,796,830,952,900
5. Step 5: Solve for x
   x = 27,796,830,952,900/2,472,821
6. Step 6: Final answer
   x = 11,240,939.38