Finding the Third Proportional to 1,156,290 and 1,779,491

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156,290 : 1,779,491 = 1,779,491 : x
2. Step 2: Convert to fraction form
   1,156,290/1,779,491 = 1,779,491/x
3. Step 3: Cross multiply
   1,156,290x = 1,779,491 × 1,779,491
4. Step 4: Simplify right side
   1,156,290x = 3,166,588,219,081
5. Step 5: Solve for x
   x = 3,166,588,219,081/1,156,290
6. Step 6: Final answer
   x = 2,738,576.15