Finding the Third Proportional to 3,670,155 and 5,643,772

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670,155 : 5,643,772 = 5,643,772 : x
2. Step 2: Convert to fraction form
   3,670,155/5,643,772 = 5,643,772/x
3. Step 3: Cross multiply
   3,670,155x = 5,643,772 × 5,643,772
4. Step 4: Simplify right side
   3,670,155x = 31,852,162,387,984
5. Step 5: Solve for x
   x = 31,852,162,387,984/3,670,155
6. Step 6: Final answer
   x = 8,678,696.78