Finding the Third Proportional to 4,609,144 and 6,639,652

Step by Step Solution

1. Step 1: Write the proportion equation
   4,609,144 : 6,639,652 = 6,639,652 : x
2. Step 2: Convert to fraction form
   4,609,144/6,639,652 = 6,639,652/x
3. Step 3: Cross multiply
   4,609,144x = 6,639,652 × 6,639,652
4. Step 4: Simplify right side
   4,609,144x = 44,084,978,681,104
5. Step 5: Solve for x
   x = 44,084,978,681,104/4,609,144
6. Step 6: Final answer
   x = 9,564,678.10