Finding the Third Proportional to 79,264 and 108,690

Step by Step Solution

1. Step 1: Write the proportion equation
   79,264 : 108,690 = 108,690 : x
2. Step 2: Convert to fraction form
   79,264/108,690 = 108,690/x
3. Step 3: Cross multiply
   79,264x = 108,690 × 108,690
4. Step 4: Simplify right side
   79,264x = 11,813,516,100
5. Step 5: Solve for x
   x = 11,813,516,100/79,264
6. Step 6: Final answer
   x = 149,040.12