Finding the Third Proportional to 907.03 and 1,621.69

Step by Step Solution

1. Step 1: Write the proportion equation
   907.03 : 1,621.69 = 1,621.69 : x
2. Step 2: Convert to fraction form
   907.03/1,621.69 = 1,621.69/x
3. Step 3: Cross multiply
   907.03x = 1,621.69 × 1,621.69
4. Step 4: Simplify right side
   907.03x = 2,629,870.35
5. Step 5: Solve for x
   x = 2,629,870.35/907.03
6. Step 6: Final answer
   x = 2,899.43