Finding the Third Proportional to 1,071,820 and 1,658,859

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,820 : 1,658,859 = 1,658,859 : x
2. Step 2: Convert to fraction form
   1,071,820/1,658,859 = 1,658,859/x
3. Step 3: Cross multiply
   1,071,820x = 1,658,859 × 1,658,859
4. Step 4: Simplify right side
   1,071,820x = 2,751,813,181,881
5. Step 5: Solve for x
   x = 2,751,813,181,881/1,071,820
6. Step 6: Final answer
   x = 2,567,421.01