Finding the Third Proportional to 1,199,866 and 1,687,532

Step by Step Solution

1. Step 1: Write the proportion equation
   1,199,866 : 1,687,532 = 1,687,532 : x
2. Step 2: Convert to fraction form
   1,199,866/1,687,532 = 1,687,532/x
3. Step 3: Cross multiply
   1,199,866x = 1,687,532 × 1,687,532
4. Step 4: Simplify right side
   1,199,866x = 2,847,764,251,024
5. Step 5: Solve for x
   x = 2,847,764,251,024/1,199,866
6. Step 6: Final answer
   x = 2,373,401.91