Finding the Third Proportional to 989.72 and 1,495.69

Step by Step Solution

1. Step 1: Write the proportion equation
   989.72 : 1,495.69 = 1,495.69 : x
2. Step 2: Convert to fraction form
   989.72/1,495.69 = 1,495.69/x
3. Step 3: Cross multiply
   989.72x = 1,495.69 × 1,495.69
4. Step 4: Simplify right side
   989.72x = 2,237,081.10
5. Step 5: Solve for x
   x = 2,237,081.10/989.72
6. Step 6: Final answer
   x = 2,260.32