Finding the Third Proportional to 683,154 and 1,020,915

Step by Step Solution

1. Step 1: Write the proportion equation
   683,154 : 1,020,915 = 1,020,915 : x
2. Step 2: Convert to fraction form
   683,154/1,020,915 = 1,020,915/x
3. Step 3: Cross multiply
   683,154x = 1,020,915 × 1,020,915
4. Step 4: Simplify right side
   683,154x = 1,042,267,437,225
5. Step 5: Solve for x
   x = 1,042,267,437,225/683,154
6. Step 6: Final answer
   x = 1,525,669.82