Finding the Third Proportional to 1,728,872 and 2,537,256

Step by Step Solution

1. Step 1: Write the proportion equation
   1,728,872 : 2,537,256 = 2,537,256 : x
2. Step 2: Convert to fraction form
   1,728,872/2,537,256 = 2,537,256/x
3. Step 3: Cross multiply
   1,728,872x = 2,537,256 × 2,537,256
4. Step 4: Simplify right side
   1,728,872x = 6,437,668,009,536
5. Step 5: Solve for x
   x = 6,437,668,009,536/1,728,872
6. Step 6: Final answer
   x = 3,723,623.27