Finding the Third Proportional to 13,599 and 30,111

Step by Step Solution

1. Step 1: Write the proportion equation
   13,599 : 30,111 = 30,111 : x
2. Step 2: Convert to fraction form
   13,599/30,111 = 30,111/x
3. Step 3: Cross multiply
   13,599x = 30,111 × 30,111
4. Step 4: Simplify right side
   13,599x = 906,672,321
5. Step 5: Solve for x
   x = 906,672,321/13,599
6. Step 6: Final answer
   x = 66,671.98