Finding the Third Proportional to 1,711.13 and 2,420.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,711.13 : 2,420.81 = 2,420.81 : x
2. Step 2: Convert to fraction form
   1,711.13/2,420.81 = 2,420.81/x
3. Step 3: Cross multiply
   1,711.13x = 2,420.81 × 2,420.81
4. Step 4: Simplify right side
   1,711.13x = 5,860,333.16
5. Step 5: Solve for x
   x = 5,860,333.16/1,711.13
6. Step 6: Final answer
   x = 3,424.84