Finding the Third Proportional to 53,288 and 76,760

Step by Step Solution

1. Step 1: Write the proportion equation
   53,288 : 76,760 = 76,760 : x
2. Step 2: Convert to fraction form
   53,288/76,760 = 76,760/x
3. Step 3: Cross multiply
   53,288x = 76,760 × 76,760
4. Step 4: Simplify right side
   53,288x = 5,892,097,600
5. Step 5: Solve for x
   x = 5,892,097,600/53,288
6. Step 6: Final answer
   x = 110,570.82