Finding the Third Proportional to 998.58 and 1,499.77

Step by Step Solution

1. Step 1: Write the proportion equation
   998.58 : 1,499.77 = 1,499.77 : x
2. Step 2: Convert to fraction form
   998.58/1,499.77 = 1,499.77/x
3. Step 3: Cross multiply
   998.58x = 1,499.77 × 1,499.77
4. Step 4: Simplify right side
   998.58x = 2,249,296.93
5. Step 5: Solve for x
   x = 2,249,296.93/998.58
6. Step 6: Final answer
   x = 2,252.50