Finding the Third Proportional to 3,503,099 and 5,279,705

Step by Step Solution

1. Step 1: Write the proportion equation
   3,503,099 : 5,279,705 = 5,279,705 : x
2. Step 2: Convert to fraction form
   3,503,099/5,279,705 = 5,279,705/x
3. Step 3: Cross multiply
   3,503,099x = 5,279,705 × 5,279,705
4. Step 4: Simplify right side
   3,503,099x = 27,875,284,887,025
5. Step 5: Solve for x
   x = 27,875,284,887,025/3,503,099
6. Step 6: Final answer
   x = 7,957,321.47