Finding the Third Proportional to 9,982,118 and 20,436,264

Step by Step Solution

1. Step 1: Write the proportion equation
   9,982,118 : 20,436,264 = 20,436,264 : x
2. Step 2: Convert to fraction form
   9,982,118/20,436,264 = 20,436,264/x
3. Step 3: Cross multiply
   9,982,118x = 20,436,264 × 20,436,264
4. Step 4: Simplify right side
   9,982,118x = 417,640,886,277,696
5. Step 5: Solve for x
   x = 417,640,886,277,696/9,982,118
6. Step 6: Final answer
   x = 41,838,904.96