Finding the Third Proportional to 2,143,368 and 2,918,808

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,368 : 2,918,808 = 2,918,808 : x
2. Step 2: Convert to fraction form
   2,143,368/2,918,808 = 2,918,808/x
3. Step 3: Cross multiply
   2,143,368x = 2,918,808 × 2,918,808
4. Step 4: Simplify right side
   2,143,368x = 8,519,440,140,864
5. Step 5: Solve for x
   x = 8,519,440,140,864/2,143,368
6. Step 6: Final answer
   x = 3,974,791.14