Finding the Third Proportional to 1,435.31 and 2,071.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.31 : 2,071.13 = 2,071.13 : x
2. Step 2: Convert to fraction form
   1,435.31/2,071.13 = 2,071.13/x
3. Step 3: Cross multiply
   1,435.31x = 2,071.13 × 2,071.13
4. Step 4: Simplify right side
   1,435.31x = 4,289,558.77
5. Step 5: Solve for x
   x = 4,289,558.77/1,435.31
6. Step 6: Final answer
   x = 2,988.59