Finding the Third Proportional to 1,254.39 and 1,914.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,254.39 : 1,914.34 = 1,914.34 : x
2. Step 2: Convert to fraction form
   1,254.39/1,914.34 = 1,914.34/x
3. Step 3: Cross multiply
   1,254.39x = 1,914.34 × 1,914.34
4. Step 4: Simplify right side
   1,254.39x = 3,664,685.82
5. Step 5: Solve for x
   x = 3,664,685.82/1,254.39
6. Step 6: Final answer
   x = 2,921.48