Finding the Third Proportional to 2,102,215 and 2,912,152

Step by Step Solution

1. Step 1: Write the proportion equation
   2,102,215 : 2,912,152 = 2,912,152 : x
2. Step 2: Convert to fraction form
   2,102,215/2,912,152 = 2,912,152/x
3. Step 3: Cross multiply
   2,102,215x = 2,912,152 × 2,912,152
4. Step 4: Simplify right side
   2,102,215x = 8,480,629,271,104
5. Step 5: Solve for x
   x = 8,480,629,271,104/2,102,215
6. Step 6: Final answer
   x = 4,034,139.83