Finding the Third Proportional to 187,216 and 254,054

Step by Step Solution

1. Step 1: Write the proportion equation
   187,216 : 254,054 = 254,054 : x
2. Step 2: Convert to fraction form
   187,216/254,054 = 254,054/x
3. Step 3: Cross multiply
   187,216x = 254,054 × 254,054
4. Step 4: Simplify right side
   187,216x = 64,543,434,916
5. Step 5: Solve for x
   x = 64,543,434,916/187,216
6. Step 6: Final answer
   x = 344,753.84