Finding the Third Proportional to 9,824,264 and 21,141,520

Step by Step Solution

1. Step 1: Write the proportion equation
   9,824,264 : 21,141,520 = 21,141,520 : x
2. Step 2: Convert to fraction form
   9,824,264/21,141,520 = 21,141,520/x
3. Step 3: Cross multiply
   9,824,264x = 21,141,520 × 21,141,520
4. Step 4: Simplify right side
   9,824,264x = 446,963,867,910,400
5. Step 5: Solve for x
   x = 446,963,867,910,400/9,824,264
6. Step 6: Final answer
   x = 45,495,913.78