Finding the Third Proportional to 252,306 and 379,518.75

Step by Step Solution

1. Step 1: Write the proportion equation
   252,306 : 379,518.75 = 379,518.75 : x
2. Step 2: Convert to fraction form
   252,306/379,518.75 = 379,518.75/x
3. Step 3: Cross multiply
   252,306x = 379,518.75 × 379,518.75
4. Step 4: Simplify right side
   252,306x = 144,034,481,601.56
5. Step 5: Solve for x
   x = 144,034,481,601.56/252,306
6. Step 6: Final answer
   x = 570,872.20