Finding the Third Proportional to 806,142 and 1,757,436

Step by Step Solution

1. Step 1: Write the proportion equation
   806,142 : 1,757,436 = 1,757,436 : x
2. Step 2: Convert to fraction form
   806,142/1,757,436 = 1,757,436/x
3. Step 3: Cross multiply
   806,142x = 1,757,436 × 1,757,436
4. Step 4: Simplify right side
   806,142x = 3,088,581,294,096
5. Step 5: Solve for x
   x = 3,088,581,294,096/806,142
6. Step 6: Final answer
   x = 3,831,311.72