Finding the Third Proportional to 685,681 and 1,045,925

Step by Step Solution

1. Step 1: Write the proportion equation
   685,681 : 1,045,925 = 1,045,925 : x
2. Step 2: Convert to fraction form
   685,681/1,045,925 = 1,045,925/x
3. Step 3: Cross multiply
   685,681x = 1,045,925 × 1,045,925
4. Step 4: Simplify right side
   685,681x = 1,093,959,105,625
5. Step 5: Solve for x
   x = 1,093,959,105,625/685,681
6. Step 6: Final answer
   x = 1,595,434.47