Finding the Third Proportional to 124,857.56 and 275,164.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,857.56 : 275,164.50 = 275,164.50 : x
2. Step 2: Convert to fraction form
   124,857.56/275,164.50 = 275,164.50/x
3. Step 3: Cross multiply
   124,857.56x = 275,164.50 × 275,164.50
4. Step 4: Simplify right side
   124,857.56x = 75,715,502,060.25
5. Step 5: Solve for x
   x = 75,715,502,060.25/124,857.56
6. Step 6: Final answer
   x = 606,415.03