Finding the Third Proportional to 612,227 and 1,429,648

Step by Step Solution

1. Step 1: Write the proportion equation
   612,227 : 1,429,648 = 1,429,648 : x
2. Step 2: Convert to fraction form
   612,227/1,429,648 = 1,429,648/x
3. Step 3: Cross multiply
   612,227x = 1,429,648 × 1,429,648
4. Step 4: Simplify right side
   612,227x = 2,043,893,403,904
5. Step 5: Solve for x
   x = 2,043,893,403,904/612,227
6. Step 6: Final answer
   x = 3,338,456.82