Finding the Third Proportional to 714,820 and 1,111,434

Step by Step Solution

1. Step 1: Write the proportion equation
   714,820 : 1,111,434 = 1,111,434 : x
2. Step 2: Convert to fraction form
   714,820/1,111,434 = 1,111,434/x
3. Step 3: Cross multiply
   714,820x = 1,111,434 × 1,111,434
4. Step 4: Simplify right side
   714,820x = 1,235,285,536,356
5. Step 5: Solve for x
   x = 1,235,285,536,356/714,820
6. Step 6: Final answer
   x = 1,728,107.13