Finding the Third Proportional to 1,331,685 and 2,086,776

Step by Step Solution

1. Step 1: Write the proportion equation
   1,331,685 : 2,086,776 = 2,086,776 : x
2. Step 2: Convert to fraction form
   1,331,685/2,086,776 = 2,086,776/x
3. Step 3: Cross multiply
   1,331,685x = 2,086,776 × 2,086,776
4. Step 4: Simplify right side
   1,331,685x = 4,354,634,074,176
5. Step 5: Solve for x
   x = 4,354,634,074,176/1,331,685
6. Step 6: Final answer
   x = 3,270,018.12