Finding the Third Proportional to 1,782,403 and 3,711,687

Step by Step Solution

1. Step 1: Write the proportion equation
   1,782,403 : 3,711,687 = 3,711,687 : x
2. Step 2: Convert to fraction form
   1,782,403/3,711,687 = 3,711,687/x
3. Step 3: Cross multiply
   1,782,403x = 3,711,687 × 3,711,687
4. Step 4: Simplify right side
   1,782,403x = 13,776,620,385,969
5. Step 5: Solve for x
   x = 13,776,620,385,969/1,782,403
6. Step 6: Final answer
   x = 7,729,239.90