Finding the Third Proportional to 1,782,429 and 3,711,738

Step by Step Solution

1. Step 1: Write the proportion equation
   1,782,429 : 3,711,738 = 3,711,738 : x
2. Step 2: Convert to fraction form
   1,782,429/3,711,738 = 3,711,738/x
3. Step 3: Cross multiply
   1,782,429x = 3,711,738 × 3,711,738
4. Step 4: Simplify right side
   1,782,429x = 13,776,998,980,644
5. Step 5: Solve for x
   x = 13,776,998,980,644/1,782,429
6. Step 6: Final answer
   x = 7,729,339.56