Finding the Third Proportional to 1,259,415 and 2,717,820

Step by Step Solution

1. Step 1: Write the proportion equation
   1,259,415 : 2,717,820 = 2,717,820 : x
2. Step 2: Convert to fraction form
   1,259,415/2,717,820 = 2,717,820/x
3. Step 3: Cross multiply
   1,259,415x = 2,717,820 × 2,717,820
4. Step 4: Simplify right side
   1,259,415x = 7,386,545,552,400
5. Step 5: Solve for x
   x = 7,386,545,552,400/1,259,415
6. Step 6: Final answer
   x = 5,865,060.80