Finding the Third Proportional to 10,684,469 and 21,746,223

Step by Step Solution

1. Step 1: Write the proportion equation
   10,684,469 : 21,746,223 = 21,746,223 : x
2. Step 2: Convert to fraction form
   10,684,469/21,746,223 = 21,746,223/x
3. Step 3: Cross multiply
   10,684,469x = 21,746,223 × 21,746,223
4. Step 4: Simplify right side
   10,684,469x = 472,898,214,765,729
5. Step 5: Solve for x
   x = 472,898,214,765,729/10,684,469
6. Step 6: Final answer
   x = 44,260,338.51