Finding the Third Proportional to 1,405.32 and 2,056.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,405.32 : 2,056.72 = 2,056.72 : x
2. Step 2: Convert to fraction form
   1,405.32/2,056.72 = 2,056.72/x
3. Step 3: Cross multiply
   1,405.32x = 2,056.72 × 2,056.72
4. Step 4: Simplify right side
   1,405.32x = 4,230,096.03
5. Step 5: Solve for x
   x = 4,230,096.03/1,405.32
6. Step 6: Final answer
   x = 3,010.06