Finding the Third Proportional to 120,134 and 187,005

Step by Step Solution

1. Step 1: Write the proportion equation
   120,134 : 187,005 = 187,005 : x
2. Step 2: Convert to fraction form
   120,134/187,005 = 187,005/x
3. Step 3: Cross multiply
   120,134x = 187,005 × 187,005
4. Step 4: Simplify right side
   120,134x = 34,970,870,025
5. Step 5: Solve for x
   x = 34,970,870,025/120,134
6. Step 6: Final answer
   x = 291,098.86