Finding the Third Proportional to 21,384,606 and 30,897,069

Step by Step Solution

1. Step 1: Write the proportion equation
   21,384,606 : 30,897,069 = 30,897,069 : x
2. Step 2: Convert to fraction form
   21,384,606/30,897,069 = 30,897,069/x
3. Step 3: Cross multiply
   21,384,606x = 30,897,069 × 30,897,069
4. Step 4: Simplify right side
   21,384,606x = 954,628,872,790,761
5. Step 5: Solve for x
   x = 954,628,872,790,761/21,384,606
6. Step 6: Final answer
   x = 44,640,938.10