Finding the Third Proportional to 688,047 and 1,554,479

Step by Step Solution

1. Step 1: Write the proportion equation
   688,047 : 1,554,479 = 1,554,479 : x
2. Step 2: Convert to fraction form
   688,047/1,554,479 = 1,554,479/x
3. Step 3: Cross multiply
   688,047x = 1,554,479 × 1,554,479
4. Step 4: Simplify right side
   688,047x = 2,416,404,961,441
5. Step 5: Solve for x
   x = 2,416,404,961,441/688,047
6. Step 6: Final answer
   x = 3,511,976.60