Finding the Third Proportional to 727,786 and 1,579,272

Step by Step Solution

1. Step 1: Write the proportion equation
   727,786 : 1,579,272 = 1,579,272 : x
2. Step 2: Convert to fraction form
   727,786/1,579,272 = 1,579,272/x
3. Step 3: Cross multiply
   727,786x = 1,579,272 × 1,579,272
4. Step 4: Simplify right side
   727,786x = 2,494,100,049,984
5. Step 5: Solve for x
   x = 2,494,100,049,984/727,786
6. Step 6: Final answer
   x = 3,426,968.99