Finding the Third Proportional to 2,143,272 and 2,910,804

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,272 : 2,910,804 = 2,910,804 : x
2. Step 2: Convert to fraction form
   2,143,272/2,910,804 = 2,910,804/x
3. Step 3: Cross multiply
   2,143,272x = 2,910,804 × 2,910,804
4. Step 4: Simplify right side
   2,143,272x = 8,472,779,926,416
5. Step 5: Solve for x
   x = 8,472,779,926,416/2,143,272
6. Step 6: Final answer
   x = 3,953,198.63