Finding the Third Proportional to 3,680,730 and 5,620,742

Step by Step Solution

1. Step 1: Write the proportion equation
   3,680,730 : 5,620,742 = 5,620,742 : x
2. Step 2: Convert to fraction form
   3,680,730/5,620,742 = 5,620,742/x
3. Step 3: Cross multiply
   3,680,730x = 5,620,742 × 5,620,742
4. Step 4: Simplify right side
   3,680,730x = 31,592,740,630,564
5. Step 5: Solve for x
   x = 31,592,740,630,564/3,680,730
6. Step 6: Final answer
   x = 8,583,281.21