Finding the Third Proportional to 108,428.63 and 161,665.88

Step by Step Solution

1. Step 1: Write the proportion equation
   108,428.63 : 161,665.88 = 161,665.88 : x
2. Step 2: Convert to fraction form
   108,428.63/161,665.88 = 161,665.88/x
3. Step 3: Cross multiply
   108,428.63x = 161,665.88 × 161,665.88
4. Step 4: Simplify right side
   108,428.63x = 26,135,855,139.52
5. Step 5: Solve for x
   x = 26,135,855,139.52/108,428.63
6. Step 6: Final answer
   x = 241,042.02