Finding the Third Proportional to 1,364.74 and 2,157.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,364.74 : 2,157.03 = 2,157.03 : x
2. Step 2: Convert to fraction form
   1,364.74/2,157.03 = 2,157.03/x
3. Step 3: Cross multiply
   1,364.74x = 2,157.03 × 2,157.03
4. Step 4: Simplify right side
   1,364.74x = 4,652,790.79
5. Step 5: Solve for x
   x = 4,652,790.79/1,364.74
6. Step 6: Final answer
   x = 3,409.29