Finding the Third Proportional to 49,520 and 76,710

Step by Step Solution

1. Step 1: Write the proportion equation
   49,520 : 76,710 = 76,710 : x
2. Step 2: Convert to fraction form
   49,520/76,710 = 76,710/x
3. Step 3: Cross multiply
   49,520x = 76,710 × 76,710
4. Step 4: Simplify right side
   49,520x = 5,884,424,100
5. Step 5: Solve for x
   x = 5,884,424,100/49,520
6. Step 6: Final answer
   x = 118,829.24