Finding the Third Proportional to 10,111,416 and 21,640,008

Step by Step Solution

1. Step 1: Write the proportion equation
   10,111,416 : 21,640,008 = 21,640,008 : x
2. Step 2: Convert to fraction form
   10,111,416/21,640,008 = 21,640,008/x
3. Step 3: Cross multiply
   10,111,416x = 21,640,008 × 21,640,008
4. Step 4: Simplify right side
   10,111,416x = 468,289,946,240,064
5. Step 5: Solve for x
   x = 468,289,946,240,064/10,111,416
6. Step 6: Final answer
   x = 46,312,993.77