Finding the Third Proportional to 12,738 and 28,066

Step by Step Solution

1. Step 1: Write the proportion equation
   12,738 : 28,066 = 28,066 : x
2. Step 2: Convert to fraction form
   12,738/28,066 = 28,066/x
3. Step 3: Cross multiply
   12,738x = 28,066 × 28,066
4. Step 4: Simplify right side
   12,738x = 787,700,356
5. Step 5: Solve for x
   x = 787,700,356/12,738
6. Step 6: Final answer
   x = 61,838.62