Finding the Third Proportional to 12,897 and 28,141.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,897 : 28,141.50 = 28,141.50 : x
2. Step 2: Convert to fraction form
   12,897/28,141.50 = 28,141.50/x
3. Step 3: Cross multiply
   12,897x = 28,141.50 × 28,141.50
4. Step 4: Simplify right side
   12,897x = 791,944,022.25
5. Step 5: Solve for x
   x = 791,944,022.25/12,897
6. Step 6: Final answer
   x = 61,405.29