Finding the Third Proportional to 267,963.19 and 557,978.63

Step by Step Solution

1. Step 1: Write the proportion equation
   267,963.19 : 557,978.63 = 557,978.63 : x
2. Step 2: Convert to fraction form
   267,963.19/557,978.63 = 557,978.63/x
3. Step 3: Cross multiply
   267,963.19x = 557,978.63 × 557,978.63
4. Step 4: Simplify right side
   267,963.19x = 311,340,145,956.89
5. Step 5: Solve for x
   x = 311,340,145,956.89/267,963.19
6. Step 6: Final answer
   x = 1,161,876.56