Finding the Third Proportional to 1,189,468 and 1,779,003

Step by Step Solution

1. Step 1: Write the proportion equation
   1,189,468 : 1,779,003 = 1,779,003 : x
2. Step 2: Convert to fraction form
   1,189,468/1,779,003 = 1,779,003/x
3. Step 3: Cross multiply
   1,189,468x = 1,779,003 × 1,779,003
4. Step 4: Simplify right side
   1,189,468x = 3,164,851,674,009
5. Step 5: Solve for x
   x = 3,164,851,674,009/1,189,468
6. Step 6: Final answer
   x = 2,660,728.72