Finding the Third Proportional to 1,689,920 and 3,757,674

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689,920 : 3,757,674 = 3,757,674 : x
2. Step 2: Convert to fraction form
   1,689,920/3,757,674 = 3,757,674/x
3. Step 3: Cross multiply
   1,689,920x = 3,757,674 × 3,757,674
4. Step 4: Simplify right side
   1,689,920x = 14,120,113,890,276
5. Step 5: Solve for x
   x = 14,120,113,890,276/1,689,920
6. Step 6: Final answer
   x = 8,355,492.50