Finding the Third Proportional to 897,615 and 1,311,705

Step by Step Solution

1. Step 1: Write the proportion equation
   897,615 : 1,311,705 = 1,311,705 : x
2. Step 2: Convert to fraction form
   897,615/1,311,705 = 1,311,705/x
3. Step 3: Cross multiply
   897,615x = 1,311,705 × 1,311,705
4. Step 4: Simplify right side
   897,615x = 1,720,570,007,025
5. Step 5: Solve for x
   x = 1,720,570,007,025/897,615
6. Step 6: Final answer
   x = 1,916,824.04