Finding the Third Proportional to 714,423 and 1,105,228.50

Step by Step Solution

1. Step 1: Write the proportion equation
   714,423 : 1,105,228.50 = 1,105,228.50 : x
2. Step 2: Convert to fraction form
   714,423/1,105,228.50 = 1,105,228.50/x
3. Step 3: Cross multiply
   714,423x = 1,105,228.50 × 1,105,228.50
4. Step 4: Simplify right side
   714,423x = 1,221,530,037,212.25
5. Step 5: Solve for x
   x = 1,221,530,037,212.25/714,423
6. Step 6: Final answer
   x = 1,709,813.43