Finding the Third Proportional to 4,836,780 and 10,557,702

Step by Step Solution

1. Step 1: Write the proportion equation
   4,836,780 : 10,557,702 = 10,557,702 : x
2. Step 2: Convert to fraction form
   4,836,780/10,557,702 = 10,557,702/x
3. Step 3: Cross multiply
   4,836,780x = 10,557,702 × 10,557,702
4. Step 4: Simplify right side
   4,836,780x = 111,465,071,520,804
5. Step 5: Solve for x
   x = 111,465,071,520,804/4,836,780
6. Step 6: Final answer
   x = 23,045,305.25