Finding the Third Proportional to 51,919.89 and 77,793.34

Step by Step Solution

1. Step 1: Write the proportion equation
   51,919.89 : 77,793.34 = 77,793.34 : x
2. Step 2: Convert to fraction form
   51,919.89/77,793.34 = 77,793.34/x
3. Step 3: Cross multiply
   51,919.89x = 77,793.34 × 77,793.34
4. Step 4: Simplify right side
   51,919.89x = 6,051,803,951.95
5. Step 5: Solve for x
   x = 6,051,803,951.95/51,919.89
6. Step 6: Final answer
   x = 116,560.41