Finding the Third Proportional to 1,338,711 and 2,039,445

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338,711 : 2,039,445 = 2,039,445 : x
2. Step 2: Convert to fraction form
   1,338,711/2,039,445 = 2,039,445/x
3. Step 3: Cross multiply
   1,338,711x = 2,039,445 × 2,039,445
4. Step 4: Simplify right side
   1,338,711x = 4,159,335,908,025
5. Step 5: Solve for x
   x = 4,159,335,908,025/1,338,711
6. Step 6: Final answer
   x = 3,106,970.74