Finding the Third Proportional to 697,136 and 1,042,928

Step by Step Solution

1. Step 1: Write the proportion equation
   697,136 : 1,042,928 = 1,042,928 : x
2. Step 2: Convert to fraction form
   697,136/1,042,928 = 1,042,928/x
3. Step 3: Cross multiply
   697,136x = 1,042,928 × 1,042,928
4. Step 4: Simplify right side
   697,136x = 1,087,698,813,184
5. Step 5: Solve for x
   x = 1,087,698,813,184/697,136
6. Step 6: Final answer
   x = 1,560,239.05