Finding the Third Proportional to 1,300.57 and 2,808.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.57 : 2,808.98 = 2,808.98 : x
2. Step 2: Convert to fraction form
   1,300.57/2,808.98 = 2,808.98/x
3. Step 3: Cross multiply
   1,300.57x = 2,808.98 × 2,808.98
4. Step 4: Simplify right side
   1,300.57x = 7,890,393.22
5. Step 5: Solve for x
   x = 7,890,393.22/1,300.57
6. Step 6: Final answer
   x = 6,066.87