Finding the Third Proportional to 342,279 and 532,086.75

Step by Step Solution

1. Step 1: Write the proportion equation
   342,279 : 532,086.75 = 532,086.75 : x
2. Step 2: Convert to fraction form
   342,279/532,086.75 = 532,086.75/x
3. Step 3: Cross multiply
   342,279x = 532,086.75 × 532,086.75
4. Step 4: Simplify right side
   342,279x = 283,116,309,525.56
5. Step 5: Solve for x
   x = 283,116,309,525.56/342,279
6. Step 6: Final answer
   x = 827,150.69