Finding the Third Proportional to 1,440,172 and 3,151,576

Step by Step Solution

1. Step 1: Write the proportion equation
   1,440,172 : 3,151,576 = 3,151,576 : x
2. Step 2: Convert to fraction form
   1,440,172/3,151,576 = 3,151,576/x
3. Step 3: Cross multiply
   1,440,172x = 3,151,576 × 3,151,576
4. Step 4: Simplify right side
   1,440,172x = 9,932,431,283,776
5. Step 5: Solve for x
   x = 9,932,431,283,776/1,440,172
6. Step 6: Final answer
   x = 6,896,697.95