Finding the Third Proportional to 1,214,727 and 2,658,270

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,727 : 2,658,270 = 2,658,270 : x
2. Step 2: Convert to fraction form
   1,214,727/2,658,270 = 2,658,270/x
3. Step 3: Cross multiply
   1,214,727x = 2,658,270 × 2,658,270
4. Step 4: Simplify right side
   1,214,727x = 7,066,399,392,900
5. Step 5: Solve for x
   x = 7,066,399,392,900/1,214,727
6. Step 6: Final answer
   x = 5,817,273.67