Finding the Third Proportional to 86,929.50 and 124,075.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,929.50 : 124,075.50 = 124,075.50 : x
2. Step 2: Convert to fraction form
   86,929.50/124,075.50 = 124,075.50/x
3. Step 3: Cross multiply
   86,929.50x = 124,075.50 × 124,075.50
4. Step 4: Simplify right side
   86,929.50x = 15,394,729,700.25
5. Step 5: Solve for x
   x = 15,394,729,700.25/86,929.50
6. Step 6: Final answer
   x = 177,094.42