Finding the Third Proportional to 920.74 and 1,920.59

Step by Step Solution

1. Step 1: Write the proportion equation
   920.74 : 1,920.59 = 1,920.59 : x
2. Step 2: Convert to fraction form
   920.74/1,920.59 = 1,920.59/x
3. Step 3: Cross multiply
   920.74x = 1,920.59 × 1,920.59
4. Step 4: Simplify right side
   920.74x = 3,688,650.34
5. Step 5: Solve for x
   x = 3,688,650.34/920.74
6. Step 6: Final answer
   x = 4,006.17