Finding the Third Proportional to 2,102,206 and 2,912,139

Step by Step Solution

1. Step 1: Write the proportion equation
   2,102,206 : 2,912,139 = 2,912,139 : x
2. Step 2: Convert to fraction form
   2,102,206/2,912,139 = 2,912,139/x
3. Step 3: Cross multiply
   2,102,206x = 2,912,139 × 2,912,139
4. Step 4: Simplify right side
   2,102,206x = 8,480,553,555,321
5. Step 5: Solve for x
   x = 8,480,553,555,321/2,102,206
6. Step 6: Final answer
   x = 4,034,121.09