Finding the Third Proportional to 50,776 and 81,084

Step by Step Solution

1. Step 1: Write the proportion equation
   50,776 : 81,084 = 81,084 : x
2. Step 2: Convert to fraction form
   50,776/81,084 = 81,084/x
3. Step 3: Cross multiply
   50,776x = 81,084 × 81,084
4. Step 4: Simplify right side
   50,776x = 6,574,615,056
5. Step 5: Solve for x
   x = 6,574,615,056/50,776
6. Step 6: Final answer
   x = 129,482.73