Finding the Third Proportional to 684,867 and 1,064,603

Step by Step Solution

1. Step 1: Write the proportion equation
   684,867 : 1,064,603 = 1,064,603 : x
2. Step 2: Convert to fraction form
   684,867/1,064,603 = 1,064,603/x
3. Step 3: Cross multiply
   684,867x = 1,064,603 × 1,064,603
4. Step 4: Simplify right side
   684,867x = 1,133,379,547,609
5. Step 5: Solve for x
   x = 1,133,379,547,609/684,867
6. Step 6: Final answer
   x = 1,654,890.00