Finding the Third Proportional to 806,145 and 1,757,442

Step by Step Solution

1. Step 1: Write the proportion equation
   806,145 : 1,757,442 = 1,757,442 : x
2. Step 2: Convert to fraction form
   806,145/1,757,442 = 1,757,442/x
3. Step 3: Cross multiply
   806,145x = 1,757,442 × 1,757,442
4. Step 4: Simplify right side
   806,145x = 3,088,602,383,364
5. Step 5: Solve for x
   x = 3,088,602,383,364/806,145
6. Step 6: Final answer
   x = 3,831,323.62