Finding the Third Proportional to 59,886 and 130,989

Step by Step Solution

1. Step 1: Write the proportion equation
   59,886 : 130,989 = 130,989 : x
2. Step 2: Convert to fraction form
   59,886/130,989 = 130,989/x
3. Step 3: Cross multiply
   59,886x = 130,989 × 130,989
4. Step 4: Simplify right side
   59,886x = 17,158,118,121
5. Step 5: Solve for x
   x = 17,158,118,121/59,886
6. Step 6: Final answer
   x = 286,513.01