Finding the Third Proportional to 116,788 and 190,705

Step by Step Solution

1. Step 1: Write the proportion equation
   116,788 : 190,705 = 190,705 : x
2. Step 2: Convert to fraction form
   116,788/190,705 = 190,705/x
3. Step 3: Cross multiply
   116,788x = 190,705 × 190,705
4. Step 4: Simplify right side
   116,788x = 36,368,397,025
5. Step 5: Solve for x
   x = 36,368,397,025/116,788
6. Step 6: Final answer
   x = 311,405.26