Finding the Third Proportional to 1,676,228 and 3,620,380

Step by Step Solution

1. Step 1: Write the proportion equation
   1,676,228 : 3,620,380 = 3,620,380 : x
2. Step 2: Convert to fraction form
   1,676,228/3,620,380 = 3,620,380/x
3. Step 3: Cross multiply
   1,676,228x = 3,620,380 × 3,620,380
4. Step 4: Simplify right side
   1,676,228x = 13,107,151,344,400
5. Step 5: Solve for x
   x = 13,107,151,344,400/1,676,228
6. Step 6: Final answer
   x = 7,819,432.29