Finding the Third Proportional to 1,224,315 and 2,658,306

Step by Step Solution

1. Step 1: Write the proportion equation
   1,224,315 : 2,658,306 = 2,658,306 : x
2. Step 2: Convert to fraction form
   1,224,315/2,658,306 = 2,658,306/x
3. Step 3: Cross multiply
   1,224,315x = 2,658,306 × 2,658,306
4. Step 4: Simplify right side
   1,224,315x = 7,066,590,789,636
5. Step 5: Solve for x
   x = 7,066,590,789,636/1,224,315
6. Step 6: Final answer
   x = 5,771,873.08