Finding the Third Proportional to 12,838 and 28,126

Step by Step Solution

1. Step 1: Write the proportion equation
   12,838 : 28,126 = 28,126 : x
2. Step 2: Convert to fraction form
   12,838/28,126 = 28,126/x
3. Step 3: Cross multiply
   12,838x = 28,126 × 28,126
4. Step 4: Simplify right side
   12,838x = 791,071,876
5. Step 5: Solve for x
   x = 791,071,876/12,838
6. Step 6: Final answer
   x = 61,619.56