Finding the Third Proportional to 9,965,158 and 21,583,150

Step by Step Solution

1. Step 1: Write the proportion equation
   9,965,158 : 21,583,150 = 21,583,150 : x
2. Step 2: Convert to fraction form
   9,965,158/21,583,150 = 21,583,150/x
3. Step 3: Cross multiply
   9,965,158x = 21,583,150 × 21,583,150
4. Step 4: Simplify right side
   9,965,158x = 465,832,363,922,500
5. Step 5: Solve for x
   x = 465,832,363,922,500/9,965,158
6. Step 6: Final answer
   x = 46,746,109.19