Finding the Third Proportional to 697,912 and 1,052,699

Step by Step Solution

1. Step 1: Write the proportion equation
   697,912 : 1,052,699 = 1,052,699 : x
2. Step 2: Convert to fraction form
   697,912/1,052,699 = 1,052,699/x
3. Step 3: Cross multiply
   697,912x = 1,052,699 × 1,052,699
4. Step 4: Simplify right side
   697,912x = 1,108,175,184,601
5. Step 5: Solve for x
   x = 1,108,175,184,601/697,912
6. Step 6: Final answer
   x = 1,587,843.72