Finding the Third Proportional to 50,973.75 and 78,734.25

Step by Step Solution

1. Step 1: Write the proportion equation
   50,973.75 : 78,734.25 = 78,734.25 : x
2. Step 2: Convert to fraction form
   50,973.75/78,734.25 = 78,734.25/x
3. Step 3: Cross multiply
   50,973.75x = 78,734.25 × 78,734.25
4. Step 4: Simplify right side
   50,973.75x = 6,199,082,123.06
5. Step 5: Solve for x
   x = 6,199,082,123.06/50,973.75
6. Step 6: Final answer
   x = 121,613.22