Finding the Third Proportional to 846,710 and 1,207,005

Step by Step Solution

1. Step 1: Write the proportion equation
   846,710 : 1,207,005 = 1,207,005 : x
2. Step 2: Convert to fraction form
   846,710/1,207,005 = 1,207,005/x
3. Step 3: Cross multiply
   846,710x = 1,207,005 × 1,207,005
4. Step 4: Simplify right side
   846,710x = 1,456,861,070,025
5. Step 5: Solve for x
   x = 1,456,861,070,025/846,710
6. Step 6: Final answer
   x = 1,720,613.99