Finding the Third Proportional to 1,139,892 and 1,778,850

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,892 : 1,778,850 = 1,778,850 : x
2. Step 2: Convert to fraction form
   1,139,892/1,778,850 = 1,778,850/x
3. Step 3: Cross multiply
   1,139,892x = 1,778,850 × 1,778,850
4. Step 4: Simplify right side
   1,139,892x = 3,164,307,322,500
5. Step 5: Solve for x
   x = 3,164,307,322,500/1,139,892
6. Step 6: Final answer
   x = 2,775,971.16