Finding the Third Proportional to 125,555 and 186,160.50

Step by Step Solution

1. Step 1: Write the proportion equation
   125,555 : 186,160.50 = 186,160.50 : x
2. Step 2: Convert to fraction form
   125,555/186,160.50 = 186,160.50/x
3. Step 3: Cross multiply
   125,555x = 186,160.50 × 186,160.50
4. Step 4: Simplify right side
   125,555x = 34,655,731,760.25
5. Step 5: Solve for x
   x = 34,655,731,760.25/125,555
6. Step 6: Final answer
   x = 276,020.32