Finding the Third Proportional to 697,414 and 1,077,666

Step by Step Solution

1. Step 1: Write the proportion equation
   697,414 : 1,077,666 = 1,077,666 : x
2. Step 2: Convert to fraction form
   697,414/1,077,666 = 1,077,666/x
3. Step 3: Cross multiply
   697,414x = 1,077,666 × 1,077,666
4. Step 4: Simplify right side
   697,414x = 1,161,364,007,556
5. Step 5: Solve for x
   x = 1,161,364,007,556/697,414
6. Step 6: Final answer
   x = 1,665,243.32