Finding the Third Proportional to 697,658 and 1,051,599

Step by Step Solution

1. Step 1: Write the proportion equation
   697,658 : 1,051,599 = 1,051,599 : x
2. Step 2: Convert to fraction form
   697,658/1,051,599 = 1,051,599/x
3. Step 3: Cross multiply
   697,658x = 1,051,599 × 1,051,599
4. Step 4: Simplify right side
   697,658x = 1,105,860,456,801
5. Step 5: Solve for x
   x = 1,105,860,456,801/697,658
6. Step 6: Final answer
   x = 1,585,103.96