Finding the Third Proportional to 3,670,163 and 5,643,784

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670,163 : 5,643,784 = 5,643,784 : x
2. Step 2: Convert to fraction form
   3,670,163/5,643,784 = 5,643,784/x
3. Step 3: Cross multiply
   3,670,163x = 5,643,784 × 5,643,784
4. Step 4: Simplify right side
   3,670,163x = 31,852,297,838,656
5. Step 5: Solve for x
   x = 31,852,297,838,656/3,670,163
6. Step 6: Final answer
   x = 8,678,714.77