Finding the Third Proportional to 1,431,826 and 3,087,711

Step by Step Solution

1. Step 1: Write the proportion equation
   1,431,826 : 3,087,711 = 3,087,711 : x
2. Step 2: Convert to fraction form
   1,431,826/3,087,711 = 3,087,711/x
3. Step 3: Cross multiply
   1,431,826x = 3,087,711 × 3,087,711
4. Step 4: Simplify right side
   1,431,826x = 9,533,959,219,521
5. Step 5: Solve for x
   x = 9,533,959,219,521/1,431,826
6. Step 6: Final answer
   x = 6,658,601.83