Finding the Third Proportional to 786,031 and 1,684,126

Step by Step Solution

1. Step 1: Write the proportion equation
   786,031 : 1,684,126 = 1,684,126 : x
2. Step 2: Convert to fraction form
   786,031/1,684,126 = 1,684,126/x
3. Step 3: Cross multiply
   786,031x = 1,684,126 × 1,684,126
4. Step 4: Simplify right side
   786,031x = 2,836,280,383,876
5. Step 5: Solve for x
   x = 2,836,280,383,876/786,031
6. Step 6: Final answer
   x = 3,608,356.90