Finding the Third Proportional to 50,789 and 77,550

Step by Step Solution

1. Step 1: Write the proportion equation
   50,789 : 77,550 = 77,550 : x
2. Step 2: Convert to fraction form
   50,789/77,550 = 77,550/x
3. Step 3: Cross multiply
   50,789x = 77,550 × 77,550
4. Step 4: Simplify right side
   50,789x = 6,014,002,500
5. Step 5: Solve for x
   x = 6,014,002,500/50,789
6. Step 6: Final answer
   x = 118,411.52