Finding the Third Proportional to 657,824 and 1,437,390

Step by Step Solution

1. Step 1: Write the proportion equation
   657,824 : 1,437,390 = 1,437,390 : x
2. Step 2: Convert to fraction form
   657,824/1,437,390 = 1,437,390/x
3. Step 3: Cross multiply
   657,824x = 1,437,390 × 1,437,390
4. Step 4: Simplify right side
   657,824x = 2,066,090,012,100
5. Step 5: Solve for x
   x = 2,066,090,012,100/657,824
6. Step 6: Final answer
   x = 3,140,794.52