Finding the Third Proportional to 688,042 and 1,554,462

Step by Step Solution

1. Step 1: Write the proportion equation
   688,042 : 1,554,462 = 1,554,462 : x
2. Step 2: Convert to fraction form
   688,042/1,554,462 = 1,554,462/x
3. Step 3: Cross multiply
   688,042x = 1,554,462 × 1,554,462
4. Step 4: Simplify right side
   688,042x = 2,416,352,109,444
5. Step 5: Solve for x
   x = 2,416,352,109,444/688,042
6. Step 6: Final answer
   x = 3,511,925.30