Finding the Third Proportional to 10,012,416 and 21,442,008

Step by Step Solution

1. Step 1: Write the proportion equation
   10,012,416 : 21,442,008 = 21,442,008 : x
2. Step 2: Convert to fraction form
   10,012,416/21,442,008 = 21,442,008/x
3. Step 3: Cross multiply
   10,012,416x = 21,442,008 × 21,442,008
4. Step 4: Simplify right side
   10,012,416x = 459,759,707,072,064
5. Step 5: Solve for x
   x = 459,759,707,072,064/10,012,416
6. Step 6: Final answer
   x = 45,918,957.73