Finding the Third Proportional to 860,931 and 1,876,860

Step by Step Solution

1. Step 1: Write the proportion equation
   860,931 : 1,876,860 = 1,876,860 : x
2. Step 2: Convert to fraction form
   860,931/1,876,860 = 1,876,860/x
3. Step 3: Cross multiply
   860,931x = 1,876,860 × 1,876,860
4. Step 4: Simplify right side
   860,931x = 3,522,603,459,600
5. Step 5: Solve for x
   x = 3,522,603,459,600/860,931
6. Step 6: Final answer
   x = 4,091,621.12