Finding the Third Proportional to 2,572,398 and 5,537,970

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572,398 : 5,537,970 = 5,537,970 : x
2. Step 2: Convert to fraction form
   2,572,398/5,537,970 = 5,537,970/x
3. Step 3: Cross multiply
   2,572,398x = 5,537,970 × 5,537,970
4. Step 4: Simplify right side
   2,572,398x = 30,669,111,720,900
5. Step 5: Solve for x
   x = 30,669,111,720,900/2,572,398
6. Step 6: Final answer
   x = 11,922,382.04