Finding the Third Proportional to 187,747.50 and 291,105

Step by Step Solution

1. Step 1: Write the proportion equation
   187,747.50 : 291,105 = 291,105 : x
2. Step 2: Convert to fraction form
   187,747.50/291,105 = 291,105/x
3. Step 3: Cross multiply
   187,747.50x = 291,105 × 291,105
4. Step 4: Simplify right side
   187,747.50x = 84,742,121,025
5. Step 5: Solve for x
   x = 84,742,121,025/187,747.50
6. Step 6: Final answer
   x = 451,362.18