Finding the Third Proportional to 400,706 and 846,124

Step by Step Solution

1. Step 1: Write the proportion equation
   400,706 : 846,124 = 846,124 : x
2. Step 2: Convert to fraction form
   400,706/846,124 = 846,124/x
3. Step 3: Cross multiply
   400,706x = 846,124 × 846,124
4. Step 4: Simplify right side
   400,706x = 715,925,823,376
5. Step 5: Solve for x
   x = 715,925,823,376/400,706
6. Step 6: Final answer
   x = 1,786,661.10