Finding the Third Proportional to 1,641.75 and 2,516.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,641.75 : 2,516.63 = 2,516.63 : x
2. Step 2: Convert to fraction form
   1,641.75/2,516.63 = 2,516.63/x
3. Step 3: Cross multiply
   1,641.75x = 2,516.63 × 2,516.63
4. Step 4: Simplify right side
   1,641.75x = 6,333,401.39
5. Step 5: Solve for x
   x = 6,333,401.39/1,641.75
6. Step 6: Final answer
   x = 3,857.71