Finding the Third Proportional to 115,614 and 253,320.75

Step by Step Solution

1. Step 1: Write the proportion equation
   115,614 : 253,320.75 = 253,320.75 : x
2. Step 2: Convert to fraction form
   115,614/253,320.75 = 253,320.75/x
3. Step 3: Cross multiply
   115,614x = 253,320.75 × 253,320.75
4. Step 4: Simplify right side
   115,614x = 64,171,402,380.56
5. Step 5: Solve for x
   x = 64,171,402,380.56/115,614
6. Step 6: Final answer
   x = 555,048.72