Finding the Third Proportional to 10,284,265 and 21,365,688

Step by Step Solution

1. Step 1: Write the proportion equation
   10,284,265 : 21,365,688 = 21,365,688 : x
2. Step 2: Convert to fraction form
   10,284,265/21,365,688 = 21,365,688/x
3. Step 3: Cross multiply
   10,284,265x = 21,365,688 × 21,365,688
4. Step 4: Simplify right side
   10,284,265x = 456,492,623,713,344
5. Step 5: Solve for x
   x = 456,492,623,713,344/10,284,265
6. Step 6: Final answer
   x = 44,387,481.62