Finding the Third Proportional to 79,320 and 116,788

Step by Step Solution

1. Step 1: Write the proportion equation
   79,320 : 116,788 = 116,788 : x
2. Step 2: Convert to fraction form
   79,320/116,788 = 116,788/x
3. Step 3: Cross multiply
   79,320x = 116,788 × 116,788
4. Step 4: Simplify right side
   79,320x = 13,639,436,944
5. Step 5: Solve for x
   x = 13,639,436,944/79,320
6. Step 6: Final answer
   x = 171,954.58