Finding the Third Proportional to 279,460.50 and 395,052

Step by Step Solution

1. Step 1: Write the proportion equation
   279,460.50 : 395,052 = 395,052 : x
2. Step 2: Convert to fraction form
   279,460.50/395,052 = 395,052/x
3. Step 3: Cross multiply
   279,460.50x = 395,052 × 395,052
4. Step 4: Simplify right side
   279,460.50x = 156,066,082,704
5. Step 5: Solve for x
   x = 156,066,082,704/279,460.50
6. Step 6: Final answer
   x = 558,454.89