Finding the Third Proportional to 1,312,429 and 1,995,189

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,429 : 1,995,189 = 1,995,189 : x
2. Step 2: Convert to fraction form
   1,312,429/1,995,189 = 1,995,189/x
3. Step 3: Cross multiply
   1,312,429x = 1,995,189 × 1,995,189
4. Step 4: Simplify right side
   1,312,429x = 3,980,779,145,721
5. Step 5: Solve for x
   x = 3,980,779,145,721/1,312,429
6. Step 6: Final answer
   x = 3,033,138.67