Finding the Third Proportional to 1,969.15 and 2,861.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,969.15 : 2,861.89 = 2,861.89 : x
2. Step 2: Convert to fraction form
   1,969.15/2,861.89 = 2,861.89/x
3. Step 3: Cross multiply
   1,969.15x = 2,861.89 × 2,861.89
4. Step 4: Simplify right side
   1,969.15x = 8,190,440.31
5. Step 5: Solve for x
   x = 8,190,440.31/1,969.15
6. Step 6: Final answer
   x = 4,159.37