Finding the Third Proportional to 112,520 and 174,180

Step by Step Solution

1. Step 1: Write the proportion equation
   112,520 : 174,180 = 174,180 : x
2. Step 2: Convert to fraction form
   112,520/174,180 = 174,180/x
3. Step 3: Cross multiply
   112,520x = 174,180 × 174,180
4. Step 4: Simplify right side
   112,520x = 30,338,672,400
5. Step 5: Solve for x
   x = 30,338,672,400/112,520
6. Step 6: Final answer
   x = 269,629.15