Finding the Third Proportional to 812,466 and 1,782,468

Step by Step Solution

1. Step 1: Write the proportion equation
   812,466 : 1,782,468 = 1,782,468 : x
2. Step 2: Convert to fraction form
   812,466/1,782,468 = 1,782,468/x
3. Step 3: Cross multiply
   812,466x = 1,782,468 × 1,782,468
4. Step 4: Simplify right side
   812,466x = 3,177,192,171,024
5. Step 5: Solve for x
   x = 3,177,192,171,024/812,466
6. Step 6: Final answer
   x = 3,910,554.01