Finding the Third Proportional to 1,051.42 and 2,211.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,051.42 : 2,211.68 = 2,211.68 : x
2. Step 2: Convert to fraction form
   1,051.42/2,211.68 = 2,211.68/x
3. Step 3: Cross multiply
   1,051.42x = 2,211.68 × 2,211.68
4. Step 4: Simplify right side
   1,051.42x = 4,891,527.04
5. Step 5: Solve for x
   x = 4,891,527.04/1,051.42
6. Step 6: Final answer
   x = 4,652.31