Finding the Third Proportional to 59,130 and 86,751

Step by Step Solution

1. Step 1: Write the proportion equation
   59,130 : 86,751 = 86,751 : x
2. Step 2: Convert to fraction form
   59,130/86,751 = 86,751/x
3. Step 3: Cross multiply
   59,130x = 86,751 × 86,751
4. Step 4: Simplify right side
   59,130x = 7,525,736,001
5. Step 5: Solve for x
   x = 7,525,736,001/59,130
6. Step 6: Final answer
   x = 127,274.41