Finding the Third Proportional to 662,418 and 1,429,818

Step by Step Solution

1. Step 1: Write the proportion equation
   662,418 : 1,429,818 = 1,429,818 : x
2. Step 2: Convert to fraction form
   662,418/1,429,818 = 1,429,818/x
3. Step 3: Cross multiply
   662,418x = 1,429,818 × 1,429,818
4. Step 4: Simplify right side
   662,418x = 2,044,379,513,124
5. Step 5: Solve for x
   x = 2,044,379,513,124/662,418
6. Step 6: Final answer
   x = 3,086,237.86