Finding the Third Proportional to 1,503,663 and 3,508,665

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503,663 : 3,508,665 = 3,508,665 : x
2. Step 2: Convert to fraction form
   1,503,663/3,508,665 = 3,508,665/x
3. Step 3: Cross multiply
   1,503,663x = 3,508,665 × 3,508,665
4. Step 4: Simplify right side
   1,503,663x = 12,310,730,082,225
5. Step 5: Solve for x
   x = 12,310,730,082,225/1,503,663
6. Step 6: Final answer
   x = 8,187,160.34