Finding the Third Proportional to 1,076,863 and 1,667,221

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076,863 : 1,667,221 = 1,667,221 : x
2. Step 2: Convert to fraction form
   1,076,863/1,667,221 = 1,667,221/x
3. Step 3: Cross multiply
   1,076,863x = 1,667,221 × 1,667,221
4. Step 4: Simplify right side
   1,076,863x = 2,779,625,862,841
5. Step 5: Solve for x
   x = 2,779,625,862,841/1,076,863
6. Step 6: Final answer
   x = 2,581,225.15