Finding the Third Proportional to 118,170 and 177,342.75

Step by Step Solution

1. Step 1: Write the proportion equation
   118,170 : 177,342.75 = 177,342.75 : x
2. Step 2: Convert to fraction form
   118,170/177,342.75 = 177,342.75/x
3. Step 3: Cross multiply
   118,170x = 177,342.75 × 177,342.75
4. Step 4: Simplify right side
   118,170x = 31,450,450,977.56
5. Step 5: Solve for x
   x = 31,450,450,977.56/118,170
6. Step 6: Final answer
   x = 266,145.82