Finding the Third Proportional to 802.69 and 1,916.72

Step by Step Solution

1. Step 1: Write the proportion equation
   802.69 : 1,916.72 = 1,916.72 : x
2. Step 2: Convert to fraction form
   802.69/1,916.72 = 1,916.72/x
3. Step 3: Cross multiply
   802.69x = 1,916.72 × 1,916.72
4. Step 4: Simplify right side
   802.69x = 3,673,810.77
5. Step 5: Solve for x
   x = 3,673,810.77/802.69
6. Step 6: Final answer
   x = 4,576.89