Finding the Third Proportional to 136,215 and 177,180.75

Step by Step Solution

1. Step 1: Write the proportion equation
   136,215 : 177,180.75 = 177,180.75 : x
2. Step 2: Convert to fraction form
   136,215/177,180.75 = 177,180.75/x
3. Step 3: Cross multiply
   136,215x = 177,180.75 × 177,180.75
4. Step 4: Simplify right side
   136,215x = 31,393,018,170.56
5. Step 5: Solve for x
   x = 31,393,018,170.56/136,215
6. Step 6: Final answer
   x = 230,466.68