Finding the Third Proportional to 245,680 and 520,884.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,680 : 520,884.50 = 520,884.50 : x
2. Step 2: Convert to fraction form
   245,680/520,884.50 = 520,884.50/x
3. Step 3: Cross multiply
   245,680x = 520,884.50 × 520,884.50
4. Step 4: Simplify right side
   245,680x = 271,320,662,340.25
5. Step 5: Solve for x
   x = 271,320,662,340.25/245,680
6. Step 6: Final answer
   x = 1,104,366.10