Finding the Third Proportional to 2,000.88 and 3,131.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,000.88 : 3,131.63 = 3,131.63 : x
2. Step 2: Convert to fraction form
   2,000.88/3,131.63 = 3,131.63/x
3. Step 3: Cross multiply
   2,000.88x = 3,131.63 × 3,131.63
4. Step 4: Simplify right side
   2,000.88x = 9,807,075.14
5. Step 5: Solve for x
   x = 9,807,075.14/2,000.88
6. Step 6: Final answer
   x = 4,901.39