Finding the Third Proportional to 9,787,562 and 21,565,780

Step by Step Solution

1. Step 1: Write the proportion equation
   9,787,562 : 21,565,780 = 21,565,780 : x
2. Step 2: Convert to fraction form
   9,787,562/21,565,780 = 21,565,780/x
3. Step 3: Cross multiply
   9,787,562x = 21,565,780 × 21,565,780
4. Step 4: Simplify right side
   9,787,562x = 465,082,867,008,400
5. Step 5: Solve for x
   x = 465,082,867,008,400/9,787,562
6. Step 6: Final answer
   x = 47,517,744.15