Finding the Third Proportional to 3,405,948 and 5,676,354

Step by Step Solution

1. Step 1: Write the proportion equation
   3,405,948 : 5,676,354 = 5,676,354 : x
2. Step 2: Convert to fraction form
   3,405,948/5,676,354 = 5,676,354/x
3. Step 3: Cross multiply
   3,405,948x = 5,676,354 × 5,676,354
4. Step 4: Simplify right side
   3,405,948x = 32,220,994,733,316
5. Step 5: Solve for x
   x = 32,220,994,733,316/3,405,948
6. Step 6: Final answer
   x = 9,460,213.35