Finding the Third Proportional to 874,122 and 1,869,798

Step by Step Solution

1. Step 1: Write the proportion equation
   874,122 : 1,869,798 = 1,869,798 : x
2. Step 2: Convert to fraction form
   874,122/1,869,798 = 1,869,798/x
3. Step 3: Cross multiply
   874,122x = 1,869,798 × 1,869,798
4. Step 4: Simplify right side
   874,122x = 3,496,144,560,804
5. Step 5: Solve for x
   x = 3,496,144,560,804/874,122
6. Step 6: Final answer
   x = 3,999,607.10