Finding the Third Proportional to 1,261 and 1,674.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,261 : 1,674.50 = 1,674.50 : x
2. Step 2: Convert to fraction form
   1,261/1,674.50 = 1,674.50/x
3. Step 3: Cross multiply
   1,261x = 1,674.50 × 1,674.50
4. Step 4: Simplify right side
   1,261x = 2,803,950.25
5. Step 5: Solve for x
   x = 2,803,950.25/1,261
6. Step 6: Final answer
   x = 2,223.59