Finding the Third Proportional to 2,102,208 and 2,912,142

Step by Step Solution

1. Step 1: Write the proportion equation
   2,102,208 : 2,912,142 = 2,912,142 : x
2. Step 2: Convert to fraction form
   2,102,208/2,912,142 = 2,912,142/x
3. Step 3: Cross multiply
   2,102,208x = 2,912,142 × 2,912,142
4. Step 4: Simplify right side
   2,102,208x = 8,480,571,028,164
5. Step 5: Solve for x
   x = 8,480,571,028,164/2,102,208
6. Step 6: Final answer
   x = 4,034,125.56