Finding the Third Proportional to 790,900 and 1,706,216

Step by Step Solution

1. Step 1: Write the proportion equation
   790,900 : 1,706,216 = 1,706,216 : x
2. Step 2: Convert to fraction form
   790,900/1,706,216 = 1,706,216/x
3. Step 3: Cross multiply
   790,900x = 1,706,216 × 1,706,216
4. Step 4: Simplify right side
   790,900x = 2,911,173,038,656
5. Step 5: Solve for x
   x = 2,911,173,038,656/790,900
6. Step 6: Final answer
   x = 3,680,835.81