Finding the Third Proportional to 87,348 and 187,152

Step by Step Solution

1. Step 1: Write the proportion equation
   87,348 : 187,152 = 187,152 : x
2. Step 2: Convert to fraction form
   87,348/187,152 = 187,152/x
3. Step 3: Cross multiply
   87,348x = 187,152 × 187,152
4. Step 4: Simplify right side
   87,348x = 35,025,871,104
5. Step 5: Solve for x
   x = 35,025,871,104/87,348
6. Step 6: Final answer
   x = 400,992.25