Finding the Third Proportional to 1,381.22 and 2,066.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,381.22 : 2,066.77 = 2,066.77 : x
2. Step 2: Convert to fraction form
   1,381.22/2,066.77 = 2,066.77/x
3. Step 3: Cross multiply
   1,381.22x = 2,066.77 × 2,066.77
4. Step 4: Simplify right side
   1,381.22x = 4,271,520.15
5. Step 5: Solve for x
   x = 4,271,520.15/1,381.22
6. Step 6: Final answer
   x = 3,092.57