Finding the Third Proportional to 656,380 and 1,434,248

Step by Step Solution

1. Step 1: Write the proportion equation
   656,380 : 1,434,248 = 1,434,248 : x
2. Step 2: Convert to fraction form
   656,380/1,434,248 = 1,434,248/x
3. Step 3: Cross multiply
   656,380x = 1,434,248 × 1,434,248
4. Step 4: Simplify right side
   656,380x = 2,057,067,325,504
5. Step 5: Solve for x
   x = 2,057,067,325,504/656,380
6. Step 6: Final answer
   x = 3,133,957.96