Finding the Third Proportional to 3,405,968 and 5,676,386

Step by Step Solution

1. Step 1: Write the proportion equation
   3,405,968 : 5,676,386 = 5,676,386 : x
2. Step 2: Convert to fraction form
   3,405,968/5,676,386 = 5,676,386/x
3. Step 3: Cross multiply
   3,405,968x = 5,676,386 × 5,676,386
4. Step 4: Simplify right side
   3,405,968x = 32,221,358,020,996
5. Step 5: Solve for x
   x = 32,221,358,020,996/3,405,968
6. Step 6: Final answer
   x = 9,460,264.46