Finding the Third Proportional to 3,680,379 and 5,586,786

Step by Step Solution

1. Step 1: Write the proportion equation
   3,680,379 : 5,586,786 = 5,586,786 : x
2. Step 2: Convert to fraction form
   3,680,379/5,586,786 = 5,586,786/x
3. Step 3: Cross multiply
   3,680,379x = 5,586,786 × 5,586,786
4. Step 4: Simplify right side
   3,680,379x = 31,212,177,809,796
5. Step 5: Solve for x
   x = 31,212,177,809,796/3,680,379
6. Step 6: Final answer
   x = 8,480,696.64