Finding the Third Proportional to 9,971,922 and 21,433,510

Step by Step Solution

1. Step 1: Write the proportion equation
   9,971,922 : 21,433,510 = 21,433,510 : x
2. Step 2: Convert to fraction form
   9,971,922/21,433,510 = 21,433,510/x
3. Step 3: Cross multiply
   9,971,922x = 21,433,510 × 21,433,510
4. Step 4: Simplify right side
   9,971,922x = 459,395,350,920,100
5. Step 5: Solve for x
   x = 459,395,350,920,100/9,971,922
6. Step 6: Final answer
   x = 46,068,887.31