Finding the Third Proportional to 9,814,628 and 21,448,840

Step by Step Solution

1. Step 1: Write the proportion equation
   9,814,628 : 21,448,840 = 21,448,840 : x
2. Step 2: Convert to fraction form
   9,814,628/21,448,840 = 21,448,840/x
3. Step 3: Cross multiply
   9,814,628x = 21,448,840 × 21,448,840
4. Step 4: Simplify right side
   9,814,628x = 460,052,737,345,600
5. Step 5: Solve for x
   x = 460,052,737,345,600/9,814,628
6. Step 6: Final answer
   x = 46,874,189.97