Finding the Third Proportional to 2,142,867 and 2,910,244.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,867 : 2,910,244.50 = 2,910,244.50 : x
2. Step 2: Convert to fraction form
   2,142,867/2,910,244.50 = 2,910,244.50/x
3. Step 3: Cross multiply
   2,142,867x = 2,910,244.50 × 2,910,244.50
4. Step 4: Simplify right side
   2,142,867x = 8,469,523,049,780.25
5. Step 5: Solve for x
   x = 8,469,523,049,780.25/2,142,867
6. Step 6: Final answer
   x = 3,952,425.91