Finding the Third Proportional to 59,726 and 129,928

Step by Step Solution

1. Step 1: Write the proportion equation
   59,726 : 129,928 = 129,928 : x
2. Step 2: Convert to fraction form
   59,726/129,928 = 129,928/x
3. Step 3: Cross multiply
   59,726x = 129,928 × 129,928
4. Step 4: Simplify right side
   59,726x = 16,881,285,184
5. Step 5: Solve for x
   x = 16,881,285,184/59,726
6. Step 6: Final answer
   x = 282,645.50