Finding the Third Proportional to 50,726 and 78,852

Step by Step Solution

1. Step 1: Write the proportion equation
   50,726 : 78,852 = 78,852 : x
2. Step 2: Convert to fraction form
   50,726/78,852 = 78,852/x
3. Step 3: Cross multiply
   50,726x = 78,852 × 78,852
4. Step 4: Simplify right side
   50,726x = 6,217,637,904
5. Step 5: Solve for x
   x = 6,217,637,904/50,726
6. Step 6: Final answer
   x = 122,573.00