Finding the Third Proportional to 9,975,397 and 21,442,632

Step by Step Solution

1. Step 1: Write the proportion equation
   9,975,397 : 21,442,632 = 21,442,632 : x
2. Step 2: Convert to fraction form
   9,975,397/21,442,632 = 21,442,632/x
3. Step 3: Cross multiply
   9,975,397x = 21,442,632 × 21,442,632
4. Step 4: Simplify right side
   9,975,397x = 459,786,467,087,424
5. Step 5: Solve for x
   x = 459,786,467,087,424/9,975,397
6. Step 6: Final answer
   x = 46,092,046.97