Finding the Third Proportional to 3,485,692 and 5,280,703

Step by Step Solution

1. Step 1: Write the proportion equation
   3,485,692 : 5,280,703 = 5,280,703 : x
2. Step 2: Convert to fraction form
   3,485,692/5,280,703 = 5,280,703/x
3. Step 3: Cross multiply
   3,485,692x = 5,280,703 × 5,280,703
4. Step 4: Simplify right side
   3,485,692x = 27,885,824,174,209
5. Step 5: Solve for x
   x = 27,885,824,174,209/3,485,692
6. Step 6: Final answer
   x = 8,000,082.67