Finding the Third Proportional to 731,616 and 1,042,988

Step by Step Solution

1. Step 1: Write the proportion equation
   731,616 : 1,042,988 = 1,042,988 : x
2. Step 2: Convert to fraction form
   731,616/1,042,988 = 1,042,988/x
3. Step 3: Cross multiply
   731,616x = 1,042,988 × 1,042,988
4. Step 4: Simplify right side
   731,616x = 1,087,823,968,144
5. Step 5: Solve for x
   x = 1,087,823,968,144/731,616
6. Step 6: Final answer
   x = 1,486,878.32