Finding the Third Proportional to 1,257,545 and 1,777,693

Step by Step Solution

1. Step 1: Write the proportion equation
   1,257,545 : 1,777,693 = 1,777,693 : x
2. Step 2: Convert to fraction form
   1,257,545/1,777,693 = 1,777,693/x
3. Step 3: Cross multiply
   1,257,545x = 1,777,693 × 1,777,693
4. Step 4: Simplify right side
   1,257,545x = 3,160,192,402,249
5. Step 5: Solve for x
   x = 3,160,192,402,249/1,257,545
6. Step 6: Final answer
   x = 2,512,985.54