Finding the Third Proportional to 10,278 and 12,060

Step by Step Solution

1. Step 1: Write the proportion equation
   10,278 : 12,060 = 12,060 : x
2. Step 2: Convert to fraction form
   10,278/12,060 = 12,060/x
3. Step 3: Cross multiply
   10,278x = 12,060 × 12,060
4. Step 4: Simplify right side
   10,278x = 145,443,600
5. Step 5: Solve for x
   x = 145,443,600/10,278
6. Step 6: Final answer
   x = 14,150.96