Finding the Third Proportional to 127,186.31 and 276,516

Step by Step Solution

1. Step 1: Write the proportion equation
   127,186.31 : 276,516 = 276,516 : x
2. Step 2: Convert to fraction form
   127,186.31/276,516 = 276,516/x
3. Step 3: Cross multiply
   127,186.31x = 276,516 × 276,516
4. Step 4: Simplify right side
   127,186.31x = 76,461,098,256
5. Step 5: Solve for x
   x = 76,461,098,256/127,186.31
6. Step 6: Final answer
   x = 601,173.95