Finding the Third Proportional to 727,600 and 1,491,272

Step by Step Solution

1. Step 1: Write the proportion equation
   727,600 : 1,491,272 = 1,491,272 : x
2. Step 2: Convert to fraction form
   727,600/1,491,272 = 1,491,272/x
3. Step 3: Cross multiply
   727,600x = 1,491,272 × 1,491,272
4. Step 4: Simplify right side
   727,600x = 2,223,892,177,984
5. Step 5: Solve for x
   x = 2,223,892,177,984/727,600
6. Step 6: Final answer
   x = 3,056,476.33