Finding the Third Proportional to 57,824 and 86,752

Step by Step Solution

1. Step 1: Write the proportion equation
   57,824 : 86,752 = 86,752 : x
2. Step 2: Convert to fraction form
   57,824/86,752 = 86,752/x
3. Step 3: Cross multiply
   57,824x = 86,752 × 86,752
4. Step 4: Simplify right side
   57,824x = 7,525,909,504
5. Step 5: Solve for x
   x = 7,525,909,504/57,824
6. Step 6: Final answer
   x = 130,152.00