Finding the Third Proportional to 76,312 and 116,736

Step by Step Solution

1. Step 1: Write the proportion equation
   76,312 : 116,736 = 116,736 : x
2. Step 2: Convert to fraction form
   76,312/116,736 = 116,736/x
3. Step 3: Cross multiply
   76,312x = 116,736 × 116,736
4. Step 4: Simplify right side
   76,312x = 13,627,293,696
5. Step 5: Solve for x
   x = 13,627,293,696/76,312
6. Step 6: Final answer
   x = 178,573.41