Finding the Third Proportional to 790,920 and 1,706,256

Step by Step Solution

1. Step 1: Write the proportion equation
   790,920 : 1,706,256 = 1,706,256 : x
2. Step 2: Convert to fraction form
   790,920/1,706,256 = 1,706,256/x
3. Step 3: Cross multiply
   790,920x = 1,706,256 × 1,706,256
4. Step 4: Simplify right side
   790,920x = 2,911,309,537,536
5. Step 5: Solve for x
   x = 2,911,309,537,536/790,920
6. Step 6: Final answer
   x = 3,680,915.31