Finding the Third Proportional to 573,728 and 1,248,786

Step by Step Solution

1. Step 1: Write the proportion equation
   573,728 : 1,248,786 = 1,248,786 : x
2. Step 2: Convert to fraction form
   573,728/1,248,786 = 1,248,786/x
3. Step 3: Cross multiply
   573,728x = 1,248,786 × 1,248,786
4. Step 4: Simplify right side
   573,728x = 1,559,466,473,796
5. Step 5: Solve for x
   x = 1,559,466,473,796/573,728
6. Step 6: Final answer
   x = 2,718,128.58