Finding the Third Proportional to 12,706.50 and 19,153.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,706.50 : 19,153.50 = 19,153.50 : x
2. Step 2: Convert to fraction form
   12,706.50/19,153.50 = 19,153.50/x
3. Step 3: Cross multiply
   12,706.50x = 19,153.50 × 19,153.50
4. Step 4: Simplify right side
   12,706.50x = 366,856,562.25
5. Step 5: Solve for x
   x = 366,856,562.25/12,706.50
6. Step 6: Final answer
   x = 28,871.57