Finding the Third Proportional to 1,782,428 and 3,711,736

Step by Step Solution

1. Step 1: Write the proportion equation
   1,782,428 : 3,711,736 = 3,711,736 : x
2. Step 2: Convert to fraction form
   1,782,428/3,711,736 = 3,711,736/x
3. Step 3: Cross multiply
   1,782,428x = 3,711,736 × 3,711,736
4. Step 4: Simplify right side
   1,782,428x = 13,776,984,133,696
5. Step 5: Solve for x
   x = 13,776,984,133,696/1,782,428
6. Step 6: Final answer
   x = 7,729,335.57