Finding the Third Proportional to 21,384,628 and 30,897,102

Step by Step Solution

1. Step 1: Write the proportion equation
   21,384,628 : 30,897,102 = 30,897,102 : x
2. Step 2: Convert to fraction form
   21,384,628/30,897,102 = 30,897,102/x
3. Step 3: Cross multiply
   21,384,628x = 30,897,102 × 30,897,102
4. Step 4: Simplify right side
   21,384,628x = 954,630,911,998,404
5. Step 5: Solve for x
   x = 954,630,911,998,404/21,384,628
6. Step 6: Final answer
   x = 44,640,987.54