Finding the Third Proportional to 1,337.77 and 2,768.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.77 : 2,768.77 = 2,768.77 : x
2. Step 2: Convert to fraction form
   1,337.77/2,768.77 = 2,768.77/x
3. Step 3: Cross multiply
   1,337.77x = 2,768.77 × 2,768.77
4. Step 4: Simplify right side
   1,337.77x = 7,666,063.09
5. Step 5: Solve for x
   x = 7,666,063.09/1,337.77
6. Step 6: Final answer
   x = 5,730.50