Finding the Third Proportional to 2,142,872 and 2,910,252

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,872 : 2,910,252 = 2,910,252 : x
2. Step 2: Convert to fraction form
   2,142,872/2,910,252 = 2,910,252/x
3. Step 3: Cross multiply
   2,142,872x = 2,910,252 × 2,910,252
4. Step 4: Simplify right side
   2,142,872x = 8,469,566,703,504
5. Step 5: Solve for x
   x = 8,469,566,703,504/2,142,872
6. Step 6: Final answer
   x = 3,952,437.06