Finding the Third Proportional to 662,485 and 1,429,886

Step by Step Solution

1. Step 1: Write the proportion equation
   662,485 : 1,429,886 = 1,429,886 : x
2. Step 2: Convert to fraction form
   662,485/1,429,886 = 1,429,886/x
3. Step 3: Cross multiply
   662,485x = 1,429,886 × 1,429,886
4. Step 4: Simplify right side
   662,485x = 2,044,573,972,996
5. Step 5: Solve for x
   x = 2,044,573,972,996/662,485
6. Step 6: Final answer
   x = 3,086,219.27