Finding the Third Proportional to 669,346 and 1,019,705

Step by Step Solution

1. Step 1: Write the proportion equation
   669,346 : 1,019,705 = 1,019,705 : x
2. Step 2: Convert to fraction form
   669,346/1,019,705 = 1,019,705/x
3. Step 3: Cross multiply
   669,346x = 1,019,705 × 1,019,705
4. Step 4: Simplify right side
   669,346x = 1,039,798,287,025
5. Step 5: Solve for x
   x = 1,039,798,287,025/669,346
6. Step 6: Final answer
   x = 1,553,454.10