Finding the Third Proportional to 3,405,845 and 5,676,186

Step by Step Solution

1. Step 1: Write the proportion equation
   3,405,845 : 5,676,186 = 5,676,186 : x
2. Step 2: Convert to fraction form
   3,405,845/5,676,186 = 5,676,186/x
3. Step 3: Cross multiply
   3,405,845x = 5,676,186 × 5,676,186
4. Step 4: Simplify right side
   3,405,845x = 32,219,087,506,596
5. Step 5: Solve for x
   x = 32,219,087,506,596/3,405,845
6. Step 6: Final answer
   x = 9,459,939.46