Finding the Third Proportional to 151,278 and 200,671.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,278 : 200,671.50 = 200,671.50 : x
2. Step 2: Convert to fraction form
   151,278/200,671.50 = 200,671.50/x
3. Step 3: Cross multiply
   151,278x = 200,671.50 × 200,671.50
4. Step 4: Simplify right side
   151,278x = 40,269,050,912.25
5. Step 5: Solve for x
   x = 40,269,050,912.25/151,278
6. Step 6: Final answer
   x = 266,192.38