Finding the Third Proportional to 9,992,636 and 21,500,864

Step by Step Solution

1. Step 1: Write the proportion equation
   9,992,636 : 21,500,864 = 21,500,864 : x
2. Step 2: Convert to fraction form
   9,992,636/21,500,864 = 21,500,864/x
3. Step 3: Cross multiply
   9,992,636x = 21,500,864 × 21,500,864
4. Step 4: Simplify right side
   9,992,636x = 462,287,152,746,496
5. Step 5: Solve for x
   x = 462,287,152,746,496/9,992,636
6. Step 6: Final answer
   x = 46,262,783.19