Finding the Third Proportional to 724,756 and 1,705,306

Step by Step Solution

1. Step 1: Write the proportion equation
   724,756 : 1,705,306 = 1,705,306 : x
2. Step 2: Convert to fraction form
   724,756/1,705,306 = 1,705,306/x
3. Step 3: Cross multiply
   724,756x = 1,705,306 × 1,705,306
4. Step 4: Simplify right side
   724,756x = 2,908,068,553,636
5. Step 5: Solve for x
   x = 2,908,068,553,636/724,756
6. Step 6: Final answer
   x = 4,012,479.45