Finding the Third Proportional to 3,670,161 and 5,643,781

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670,161 : 5,643,781 = 5,643,781 : x
2. Step 2: Convert to fraction form
   3,670,161/5,643,781 = 5,643,781/x
3. Step 3: Cross multiply
   3,670,161x = 5,643,781 × 5,643,781
4. Step 4: Simplify right side
   3,670,161x = 31,852,263,975,961
5. Step 5: Solve for x
   x = 31,852,263,975,961/3,670,161
6. Step 6: Final answer
   x = 8,678,710.27