Finding the Third Proportional to 17,818 and 38,108

Step by Step Solution

1. Step 1: Write the proportion equation
   17,818 : 38,108 = 38,108 : x
2. Step 2: Convert to fraction form
   17,818/38,108 = 38,108/x
3. Step 3: Cross multiply
   17,818x = 38,108 × 38,108
4. Step 4: Simplify right side
   17,818x = 1,452,219,664
5. Step 5: Solve for x
   x = 1,452,219,664/17,818
6. Step 6: Final answer
   x = 81,502.96