Finding the Third Proportional to 1,215,202 and 2,659,150

Step by Step Solution

1. Step 1: Write the proportion equation
   1,215,202 : 2,659,150 = 2,659,150 : x
2. Step 2: Convert to fraction form
   1,215,202/2,659,150 = 2,659,150/x
3. Step 3: Cross multiply
   1,215,202x = 2,659,150 × 2,659,150
4. Step 4: Simplify right side
   1,215,202x = 7,071,078,722,500
5. Step 5: Solve for x
   x = 7,071,078,722,500/1,215,202
6. Step 6: Final answer
   x = 5,818,850.46