Finding the Third Proportional to 1,782,424 and 3,711,728

Step by Step Solution

1. Step 1: Write the proportion equation
   1,782,424 : 3,711,728 = 3,711,728 : x
2. Step 2: Convert to fraction form
   1,782,424/3,711,728 = 3,711,728/x
3. Step 3: Cross multiply
   1,782,424x = 3,711,728 × 3,711,728
4. Step 4: Simplify right side
   1,782,424x = 13,776,924,745,984
5. Step 5: Solve for x
   x = 13,776,924,745,984/1,782,424
6. Step 6: Final answer
   x = 7,729,319.59