Finding the Third Proportional to 714,420 and 1,105,224

Step by Step Solution

1. Step 1: Write the proportion equation
   714,420 : 1,105,224 = 1,105,224 : x
2. Step 2: Convert to fraction form
   714,420/1,105,224 = 1,105,224/x
3. Step 3: Cross multiply
   714,420x = 1,105,224 × 1,105,224
4. Step 4: Simplify right side
   714,420x = 1,221,520,090,176
5. Step 5: Solve for x
   x = 1,221,520,090,176/714,420
6. Step 6: Final answer
   x = 1,709,806.68