Finding the Third Proportional to 1,431.84 and 3,075.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,431.84 : 3,075.89 = 3,075.89 : x
2. Step 2: Convert to fraction form
   1,431.84/3,075.89 = 3,075.89/x
3. Step 3: Cross multiply
   1,431.84x = 3,075.89 × 3,075.89
4. Step 4: Simplify right side
   1,431.84x = 9,461,103.14
5. Step 5: Solve for x
   x = 9,461,103.14/1,431.84
6. Step 6: Final answer
   x = 6,607.64