Finding the Third Proportional to 81,244 and 118,410

Step by Step Solution

1. Step 1: Write the proportion equation
   81,244 : 118,410 = 118,410 : x
2. Step 2: Convert to fraction form
   81,244/118,410 = 118,410/x
3. Step 3: Cross multiply
   81,244x = 118,410 × 118,410
4. Step 4: Simplify right side
   81,244x = 14,020,928,100
5. Step 5: Solve for x
   x = 14,020,928,100/81,244
6. Step 6: Final answer
   x = 172,578.01