Finding the Third Proportional to 12,434.50 and 28,636

Step by Step Solution

1. Step 1: Write the proportion equation
   12,434.50 : 28,636 = 28,636 : x
2. Step 2: Convert to fraction form
   12,434.50/28,636 = 28,636/x
3. Step 3: Cross multiply
   12,434.50x = 28,636 × 28,636
4. Step 4: Simplify right side
   12,434.50x = 820,020,496
5. Step 5: Solve for x
   x = 820,020,496/12,434.50
6. Step 6: Final answer
   x = 65,947.20