Finding the Third Proportional to 1,378,816 and 2,059,881

Step by Step Solution

1. Step 1: Write the proportion equation
   1,378,816 : 2,059,881 = 2,059,881 : x
2. Step 2: Convert to fraction form
   1,378,816/2,059,881 = 2,059,881/x
3. Step 3: Cross multiply
   1,378,816x = 2,059,881 × 2,059,881
4. Step 4: Simplify right side
   1,378,816x = 4,243,109,734,161
5. Step 5: Solve for x
   x = 4,243,109,734,161/1,378,816
6. Step 6: Final answer
   x = 3,077,357.48