Finding the Third Proportional to 13,439 and 28,726

Step by Step Solution

1. Step 1: Write the proportion equation
   13,439 : 28,726 = 28,726 : x
2. Step 2: Convert to fraction form
   13,439/28,726 = 28,726/x
3. Step 3: Cross multiply
   13,439x = 28,726 × 28,726
4. Step 4: Simplify right side
   13,439x = 825,183,076
5. Step 5: Solve for x
   x = 825,183,076/13,439
6. Step 6: Final answer
   x = 61,402.12