Finding the Third Proportional to 1,271,412 and 1,920,078

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271,412 : 1,920,078 = 1,920,078 : x
2. Step 2: Convert to fraction form
   1,271,412/1,920,078 = 1,920,078/x
3. Step 3: Cross multiply
   1,271,412x = 1,920,078 × 1,920,078
4. Step 4: Simplify right side
   1,271,412x = 3,686,699,526,084
5. Step 5: Solve for x
   x = 3,686,699,526,084/1,271,412
6. Step 6: Final answer
   x = 2,899,689.11