Finding the Third Proportional to 9,787,564 and 21,565,784

Step by Step Solution

1. Step 1: Write the proportion equation
   9,787,564 : 21,565,784 = 21,565,784 : x
2. Step 2: Convert to fraction form
   9,787,564/21,565,784 = 21,565,784/x
3. Step 3: Cross multiply
   9,787,564x = 21,565,784 × 21,565,784
4. Step 4: Simplify right side
   9,787,564x = 465,083,039,534,656
5. Step 5: Solve for x
   x = 465,083,039,534,656/9,787,564
6. Step 6: Final answer
   x = 47,517,752.07