Finding the Third Proportional to 1,259.06 and 1,916.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,259.06 : 1,916.34 = 1,916.34 : x
2. Step 2: Convert to fraction form
   1,259.06/1,916.34 = 1,916.34/x
3. Step 3: Cross multiply
   1,259.06x = 1,916.34 × 1,916.34
4. Step 4: Simplify right side
   1,259.06x = 3,672,373.37
5. Step 5: Solve for x
   x = 3,672,373.37/1,259.06
6. Step 6: Final answer
   x = 2,916.75