Finding the Third Proportional to 245,660 and 520,843.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,660 : 520,843.50 = 520,843.50 : x
2. Step 2: Convert to fraction form
   245,660/520,843.50 = 520,843.50/x
3. Step 3: Cross multiply
   245,660x = 520,843.50 × 520,843.50
4. Step 4: Simplify right side
   245,660x = 271,277,951,492.25
5. Step 5: Solve for x
   x = 271,277,951,492.25/245,660
6. Step 6: Final answer
   x = 1,104,282.14