Finding the Third Proportional to 4,638,653 and 7,077,957

Step by Step Solution

1. Step 1: Write the proportion equation
   4,638,653 : 7,077,957 = 7,077,957 : x
2. Step 2: Convert to fraction form
   4,638,653/7,077,957 = 7,077,957/x
3. Step 3: Cross multiply
   4,638,653x = 7,077,957 × 7,077,957
4. Step 4: Simplify right side
   4,638,653x = 50,097,475,293,849
5. Step 5: Solve for x
   x = 50,097,475,293,849/4,638,653
6. Step 6: Final answer
   x = 10,800,004.94