Finding the Third Proportional to 11,490 and 12,546

Step by Step Solution

1. Step 1: Write the proportion equation
   11,490 : 12,546 = 12,546 : x
2. Step 2: Convert to fraction form
   11,490/12,546 = 12,546/x
3. Step 3: Cross multiply
   11,490x = 12,546 × 12,546
4. Step 4: Simplify right side
   11,490x = 157,402,116
5. Step 5: Solve for x
   x = 157,402,116/11,490
6. Step 6: Final answer
   x = 13,699.05