Finding the Third Proportional to 1,782,450 and 3,711,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,782,450 : 3,711,780 = 3,711,780 : x
2. Step 2: Convert to fraction form
   1,782,450/3,711,780 = 3,711,780/x
3. Step 3: Cross multiply
   1,782,450x = 3,711,780 × 3,711,780
4. Step 4: Simplify right side
   1,782,450x = 13,777,310,768,400
5. Step 5: Solve for x
   x = 13,777,310,768,400/1,782,450
6. Step 6: Final answer
   x = 7,729,423.42