Finding the Third Proportional to 50,090 and 77,456

Step by Step Solution

1. Step 1: Write the proportion equation
   50,090 : 77,456 = 77,456 : x
2. Step 2: Convert to fraction form
   50,090/77,456 = 77,456/x
3. Step 3: Cross multiply
   50,090x = 77,456 × 77,456
4. Step 4: Simplify right side
   50,090x = 5,999,431,936
5. Step 5: Solve for x
   x = 5,999,431,936/50,090
6. Step 6: Final answer
   x = 119,773.05