Finding the Third Proportional to 53,051 and 76,721

Step by Step Solution

1. Step 1: Write the proportion equation
   53,051 : 76,721 = 76,721 : x
2. Step 2: Convert to fraction form
   53,051/76,721 = 76,721/x
3. Step 3: Cross multiply
   53,051x = 76,721 × 76,721
4. Step 4: Simplify right side
   53,051x = 5,886,111,841
5. Step 5: Solve for x
   x = 5,886,111,841/53,051
6. Step 6: Final answer
   x = 110,951.95