Finding the Third Proportional to 705,912 and 1,665,096

Step by Step Solution

1. Step 1: Write the proportion equation
   705,912 : 1,665,096 = 1,665,096 : x
2. Step 2: Convert to fraction form
   705,912/1,665,096 = 1,665,096/x
3. Step 3: Cross multiply
   705,912x = 1,665,096 × 1,665,096
4. Step 4: Simplify right side
   705,912x = 2,772,544,689,216
5. Step 5: Solve for x
   x = 2,772,544,689,216/705,912
6. Step 6: Final answer
   x = 3,927,606.68