Finding the Third Proportional to 10,284,850 and 21,420,970

Step by Step Solution

1. Step 1: Write the proportion equation
   10,284,850 : 21,420,970 = 21,420,970 : x
2. Step 2: Convert to fraction form
   10,284,850/21,420,970 = 21,420,970/x
3. Step 3: Cross multiply
   10,284,850x = 21,420,970 × 21,420,970
4. Step 4: Simplify right side
   10,284,850x = 458,857,955,740,900
5. Step 5: Solve for x
   x = 458,857,955,740,900/10,284,850
6. Step 6: Final answer
   x = 44,614,939.04