Finding the Third Proportional to 127,656 and 271,451.25

Step by Step Solution

1. Step 1: Write the proportion equation
   127,656 : 271,451.25 = 271,451.25 : x
2. Step 2: Convert to fraction form
   127,656/271,451.25 = 271,451.25/x
3. Step 3: Cross multiply
   127,656x = 271,451.25 × 271,451.25
4. Step 4: Simplify right side
   127,656x = 73,685,781,126.56
5. Step 5: Solve for x
   x = 73,685,781,126.56/127,656
6. Step 6: Final answer
   x = 577,221.45