Finding the Third Proportional to 1,139,908 and 1,778,875

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,908 : 1,778,875 = 1,778,875 : x
2. Step 2: Convert to fraction form
   1,139,908/1,778,875 = 1,778,875/x
3. Step 3: Cross multiply
   1,139,908x = 1,778,875 × 1,778,875
4. Step 4: Simplify right side
   1,139,908x = 3,164,396,265,625
5. Step 5: Solve for x
   x = 3,164,396,265,625/1,139,908
6. Step 6: Final answer
   x = 2,776,010.23