Finding the Third Proportional to 50,956 and 78,706

Step by Step Solution

1. Step 1: Write the proportion equation
   50,956 : 78,706 = 78,706 : x
2. Step 2: Convert to fraction form
   50,956/78,706 = 78,706/x
3. Step 3: Cross multiply
   50,956x = 78,706 × 78,706
4. Step 4: Simplify right side
   50,956x = 6,194,634,436
5. Step 5: Solve for x
   x = 6,194,634,436/50,956
6. Step 6: Final answer
   x = 121,568.30