Finding the Third Proportional to 2,102,216 and 2,912,156

Step by Step Solution

1. Step 1: Write the proportion equation
   2,102,216 : 2,912,156 = 2,912,156 : x
2. Step 2: Convert to fraction form
   2,102,216/2,912,156 = 2,912,156/x
3. Step 3: Cross multiply
   2,102,216x = 2,912,156 × 2,912,156
4. Step 4: Simplify right side
   2,102,216x = 8,480,652,568,336
5. Step 5: Solve for x
   x = 8,480,652,568,336/2,102,216
6. Step 6: Final answer
   x = 4,034,149.00