Finding the Third Proportional to 127,152 and 274,284

Step by Step Solution

1. Step 1: Write the proportion equation
   127,152 : 274,284 = 274,284 : x
2. Step 2: Convert to fraction form
   127,152/274,284 = 274,284/x
3. Step 3: Cross multiply
   127,152x = 274,284 × 274,284
4. Step 4: Simplify right side
   127,152x = 75,231,712,656
5. Step 5: Solve for x
   x = 75,231,712,656/127,152
6. Step 6: Final answer
   x = 591,667.55