Finding the Third Proportional to 3,510.84 and 8,280.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,510.84 : 8,280.98 = 8,280.98 : x
2. Step 2: Convert to fraction form
   3,510.84/8,280.98 = 8,280.98/x
3. Step 3: Cross multiply
   3,510.84x = 8,280.98 × 8,280.98
4. Step 4: Simplify right side
   3,510.84x = 68,574,702.22
5. Step 5: Solve for x
   x = 68,574,702.22/3,510.84
6. Step 6: Final answer
   x = 19,532.26