Finding the Third Proportional to 245,679.75 and 520,884

Step by Step Solution

1. Step 1: Write the proportion equation
   245,679.75 : 520,884 = 520,884 : x
2. Step 2: Convert to fraction form
   245,679.75/520,884 = 520,884/x
3. Step 3: Cross multiply
   245,679.75x = 520,884 × 520,884
4. Step 4: Simplify right side
   245,679.75x = 271,320,141,456
5. Step 5: Solve for x
   x = 271,320,141,456/245,679.75
6. Step 6: Final answer
   x = 1,104,365.10