Finding the Third Proportional to 115,145.72 and 164,880.56

Step by Step Solution

1. Step 1: Write the proportion equation
   115,145.72 : 164,880.56 = 164,880.56 : x
2. Step 2: Convert to fraction form
   115,145.72/164,880.56 = 164,880.56/x
3. Step 3: Cross multiply
   115,145.72x = 164,880.56 × 164,880.56
4. Step 4: Simplify right side
   115,145.72x = 27,185,599,890.32
5. Step 5: Solve for x
   x = 27,185,599,890.32/115,145.72
6. Step 6: Final answer
   x = 236,097.36